{"id":"https://openalex.org/A5085594471","orcid":"https://orcid.org/0000-0003-3076-8080","observed_orcids":["https://orcid.org/0000-0003-3076-8080"],"display_name":"Wahyu Hartono","raw_author_names":["Hartono, Wahyu","W Hartono","Wahyu Hartono"],"full_name":"Wahyu Hartono","works_count":25,"cited_by_count":159,"summary_stats":{"2yr_mean_citedness":1.5714285714285714,"h_index":7,"i10_index":4},"ids":{"openalex":"https://openalex.org/A5085594471","orcid":"https://orcid.org/0000-0003-3076-8080","observed_orcids":["https://orcid.org/0000-0003-3076-8080"]},"affiliations":[{"institution":{"id":"https://openalex.org/I127859547","ror":"https://ror.org/05fryw881","display_name":"Yogyakarta State University","country_code":"ID","type":"education","lineage":["https://openalex.org/I127859547"]},"years":[2024,2023]},{"institution":{"id":"https://openalex.org/I4210107675","ror":"https://ror.org/01nsv4k44","display_name":"Universitas Swadaya Gunung Jati","country_code":"ID","type":"education","lineage":["https://openalex.org/I4210107675"]},"years":[2026,2025,2024,2023,2022,2020,2019,2018,2017,2016,2015]}],"last_known_institutions":[{"id":"https://openalex.org/I4210107675","ror":"https://ror.org/01nsv4k44","display_name":"Universitas Swadaya Gunung Jati","country_code":"ID","type":"education","lineage":["https://openalex.org/I4210107675"]}],"topics":[{"id":"https://openalex.org/T12522","display_name":"Mathematics Education and Pedagogy","count":16,"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/T10130","display_name":"Mathematics Education and Teaching Techniques","count":10,"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","count":4,"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/T14025","display_name":"Educational Technology and Assessment","count":4,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10467","display_name":"Psychometric Methodologies and Testing","count":3,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"topic_share":[{"id":"https://openalex.org/T13886","display_name":"Operations Management Techniques","value":3.84e-05,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T14025","display_name":"Educational Technology and Assessment","value":3.84e-05,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12522","display_name":"Mathematics Education and Pedagogy","value":2.23e-05,"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/T14079","display_name":"Mathematics Education and Programs","value":1.73e-05,"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/T11345","display_name":"Cognitive and developmental aspects of mathematical skills","value":1.51e-05,"subfield":{"id":"https://openalex.org/subfields/3204","display_name":"Developmental and Educational Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"x_concepts":[{"id":"2777267654","wikidata":"https://www.wikidata.org/wiki/Q3519023","display_name":"Test (biology)","score":0.770699143409729},{"id":"145420912","wikidata":"https://www.wikidata.org/wiki/Q853077","display_name":"Mathematics education","score":0.7188205122947693},{"id":"15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","score":0.6822999715805054},{"id":"33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","score":0.657505989074707},{"id":"41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","score":0.6231381297111511}],"counts_by_year":[{"year":2013,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2015,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2016,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2017,"works_count":5,"oa_works_count":4,"cited_by_count":1},{"year":2018,"works_count":3,"oa_works_count":3,"cited_by_count":8},{"year":2019,"works_count":1,"oa_works_count":1,"cited_by_count":20},{"year":2020,"works_count":1,"oa_works_count":1,"cited_by_count":20},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":25},{"year":2022,"works_count":2,"oa_works_count":2,"cited_by_count":11},{"year":2023,"works_count":3,"oa_works_count":3,"cited_by_count":24},{"year":2024,"works_count":3,"oa_works_count":3,"cited_by_count":17},{"year":2025,"works_count":2,"oa_works_count":2,"cited_by_count":18},{"year":2026,"works_count":2,"oa_works_count":2,"cited_by_count":15}],"display_name_alternatives":["Hartono, Wahyu","W Hartono","Wahyu Hartono"],"block_key":"w hartono","works_api_url":"https://api.openalex.org/works?filter=author.id:A5085594471","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5085594471","updated_date":"2026-11-12T13:17:38","created_date":"2016-06-24T00:00:00"}