{"id":"https://openalex.org/W7225793708","doi":"https://doi.org/10.71289/stem.v2i2.21","title":"The Development of a STEM-Based Student Worksheet on Flat-Surface Solid Geometry for Ninth-Grade Junior High School","display_name":"The Development of a STEM-Based Student Worksheet on Flat-Surface Solid Geometry for Ninth-Grade Junior High School","publication_year":2026,"publication_date":"2026-11-11","ids":{"openalex":"https://openalex.org/W7225793708","doi":"https://doi.org/10.71289/stem.v2i2.21"},"language":"en","primary_location":{"id":"doi:10.71289/stem.v2i2.21","doi":"https://doi.org/10.71289/stem.v2i2.21","is_oa":false,"landing_page_url":"https://doi.org/10.71289/stem.v2i2.21","pdf_url":null,"source":{"id":"https://openalex.org/S7407055484","display_name":"STEM Education International","issn_l":"3124-0755","issn":["3124-0755"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"STEM Education International","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5155939625","display_name":"Nisrina Clarissa Sedar","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I42264441","display_name":"Lambung Mangkurat University","ror":"https://ror.org/01khn0w07","country_code":"ID","type":"education","lineage":["https://openalex.org/I42264441"]}],"countries":["ID"],"is_corresponding":false,"raw_author_name":"Nisrina Clarissa Sedar","raw_affiliation_strings":["Department of Mathematics Education, Faculty of Teacher Training and Education, Universitas Lambung Mangkurat, Indonesia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mathematics Education, Faculty of Teacher Training and Education, Universitas Lambung Mangkurat, Indonesia","institution_ids":["https://openalex.org/I42264441"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017156502","display_name":"Elli Kusumawati","orcid":"https://orcid.org/0000-0002-8061-5501","observed_orcids":["https://orcid.org/0000-0002-8061-5501"]},"institutions":[{"id":"https://openalex.org/I42264441","display_name":"Lambung Mangkurat University","ror":"https://ror.org/01khn0w07","country_code":"ID","type":"education","lineage":["https://openalex.org/I42264441"]}],"countries":["ID"],"is_corresponding":false,"raw_author_name":"Elli Kusumawati","raw_affiliation_strings":["Department of Mathematics Education, Faculty of Teacher Training and Education, Universitas Lambung Mangkurat, Indonesia"],"raw_orcid":"https://orcid.org/0000-0002-8061-5501","affiliations":[{"raw_affiliation_string":"Department of Mathematics Education, Faculty of Teacher Training and Education, Universitas Lambung Mangkurat, Indonesia","institution_ids":["https://openalex.org/I42264441"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5051451576","display_name":"Taufiq Hidayanto","orcid":"https://orcid.org/0009-0008-5662-6885","observed_orcids":["https://orcid.org/0009-0008-5662-6885"]},"institutions":[{"id":"https://openalex.org/I42264441","display_name":"Lambung Mangkurat University","ror":"https://ror.org/01khn0w07","country_code":"ID","type":"education","lineage":["https://openalex.org/I42264441"]}],"countries":["ID"],"is_corresponding":false,"raw_author_name":"Taufiq Hidayanto","raw_affiliation_strings":["Department of Mathematics Education, Faculty of Teacher Training and Education, Universitas Lambung Mangkurat, Indonesia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mathematics Education, Faculty of Teacher Training and Education, Universitas Lambung Mangkurat, Indonesia","institution_ids":["https://openalex.org/I42264441"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I42264441"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"2","issue":"2","first_page":"73","last_page":"80"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12590","display_name":"STEM Education","score":0.8784000277519226,"subfield":{"id":"https://openalex.org/subfields/3304","display_name":"Education"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T12590","display_name":"STEM Education","score":0.8784000277519226,"subfield":{"id":"https://openalex.org/subfields/3304","display_name":"Education"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T12522","display_name":"Mathematics Education and Pedagogy","score":0.11800000071525574,"subfield":{"id":"https://openalex.org/subfields/3304","display_name":"Education"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T12931","display_name":"Educational Methods and Outcomes","score":0.0007999999797903001,"subfield":{"id":"https://openalex.org/subfields/3304","display_name":"Education"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[],"concepts":[{"id":"https://openalex.org/C176734034","wikidata":"https://www.wikidata.org/wiki/Q259432","display_name":"Worksheet","level":2,"score":0.9641000032424927},{"id":"https://openalex.org/C105776082","wikidata":"https://www.wikidata.org/wiki/Q617473","display_name":"Likert scale","level":2,"score":0.7501999735832214},{"id":"https://openalex.org/C145420912","wikidata":"https://www.wikidata.org/wiki/Q853077","display_name":"Mathematics education","level":1,"score":0.6970000267028809},{"id":"https://openalex.org/C2778755073","wikidata":"https://www.wikidata.org/wiki/Q10858537","display_name":"Scale (ratio)","level":2,"score":0.4577000141143799},{"id":"https://openalex.org/C2777267654","wikidata":"https://www.wikidata.org/wiki/Q3519023","display_name":"Test (biology)","level":2,"score":0.43630000948905945},{"id":"https://openalex.org/C2780801425","wikidata":"https://www.wikidata.org/wiki/Q5164392","display_name":"Construct (python library)","level":2,"score":0.38519999384880066},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3589000105857849},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.35499998927116394},{"id":"https://openalex.org/C25653684","wikidata":"https://www.wikidata.org/wiki/Q207648","display_name":"Solid geometry","level":2,"score":0.32829999923706055},{"id":"https://openalex.org/C199639397","wikidata":"https://www.wikidata.org/wiki/Q1788588","display_name":"Engineering drawing","level":1,"score":0.31540000438690186},{"id":"https://openalex.org/C133462117","wikidata":"https://www.wikidata.org/wiki/Q4929239","display_name":"Data collection","level":2,"score":0.30799999833106995},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.29420000314712524},{"id":"https://openalex.org/C2776542497","wikidata":"https://www.wikidata.org/wiki/Q5266672","display_name":"Development (topology)","level":2,"score":0.2554999887943268},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.2524000108242035}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.71289/stem.v2i2.21","doi":"https://doi.org/10.71289/stem.v2i2.21","is_oa":false,"landing_page_url":"https://doi.org/10.71289/stem.v2i2.21","pdf_url":null,"source":{"id":"https://openalex.org/S7407055484","display_name":"STEM Education International","issn_l":"3124-0755","issn":["3124-0755"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"STEM Education International","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":7,"referenced_works":["https://openalex.org/W3097178444","https://openalex.org/W3097527953","https://openalex.org/W3121704744","https://openalex.org/W4220769626","https://openalex.org/W4311118540","https://openalex.org/W4313126336","https://openalex.org/W4410767116"],"related_works":[],"abstract_inverted_index":{"This":[0],"study":[1,61],"aimed":[2],"to":[3,29,137,150],"develop":[4],"a":[5,63,116,125,168,174],"Science,":[6],"Technology,":[7],"Engineering,":[8],"and":[9,28,34,53,58,65,79,91,108,111,119,139,145,156,181,205,210],"Mathematics":[10],"(STEM)-based":[11],"Student":[12],"Worksheet":[13],"(LKPD)":[14],"on":[15],"three-dimensional":[16,51],"shapes":[17],"with":[18,124,187],"flat":[19],"surfaces":[20],"for":[21],"Grade":[22],"IX":[23],"junior":[24],"high":[25],"school":[26],"students":[27,93,136,189],"determine":[30],"its":[31],"validity,":[32],"practicality,":[33],"effectiveness.":[35],"The":[36,60,82,131,161],"development":[37],"was":[38],"motivated":[39],"by":[40],"students'":[41],"difficulties":[42],"in":[43,158,207],"understanding":[44],"geometric":[45],"concepts,":[46],"identifying":[47],"the":[48,70,75,165,191,199],"elements":[49],"of":[50,129,143,171,177,185],"shapes,":[52],"accurately":[54],"calculating":[55],"surface":[56],"area":[57],"volume.":[59],"employed":[62],"Research":[64],"Development":[66],"(R&D)":[67],"approach,":[68],"utilising":[69],"4D":[71],"model,":[72],"which":[73],"comprises":[74],"Define,":[76],"Design,":[77],"Develop,":[78],"Disseminate":[80],"stages.":[81],"participants":[83],"included":[84],"two":[85],"expert":[86],"validators,":[87],"one":[88],"mathematics":[89,212],"teacher,":[90],"16":[92],"from":[94],"SMP":[95],"Negeri":[96],"5":[97],"Banjarmasin.":[98],"Data":[99],"were":[100,112],"collected":[101],"through":[102],"validation":[103],"sheets,":[104],"student":[105],"response":[106],"questionnaires,":[107],"evaluation":[109],"tests,":[110],"analysed":[113],"quantitatively":[114],"using":[115],"Likert":[117],"scale":[118],"classical":[120],"learning":[121],"mastery":[122,127,193],"percentage":[123],"minimum":[126,192],"criterion":[128],"75.":[130],"developed":[132],"STEM-based":[133,200],"LKPD":[134,166,201],"encourages":[135],"construct":[138],"test":[140],"physical":[141],"models":[142],"cubes":[144],"rectangular":[146],"prisms,":[147],"enabling":[148],"them":[149],"explore":[151],"relationships":[152],"among":[153],"mathematics,":[154],"science,":[155],"engineering":[157],"real-world":[159],"contexts.":[160],"results":[162],"indicated":[163],"that":[164,198],"achieved":[167],"validity":[169],"score":[170,176,184],"81.58%":[172],"(valid),":[173],"practicality":[175],"86.91%":[178],"(highly":[179],"practical),":[180],"an":[182],"effectiveness":[183],"81.25%,":[186],"most":[188],"meeting":[190],"criterion.":[194],"These":[195],"findings":[196],"demonstrate":[197],"is":[202],"valid,":[203],"practical,":[204],"effective":[206],"promoting":[208],"contextual":[209],"active":[211],"learning.":[213]},"counts_by_year":[],"updated_date":"2026-11-12T12:28:57.059296","created_date":"2026-11-12T00:00:00"}