{"id":"https://openalex.org/A5076779641","orcid":"https://orcid.org/0000-0002-5914-3220","observed_orcids":["https://orcid.org/0000-0002-5914-3220"],"display_name":"Irajuana Haidar","raw_author_names":["Haidar, Irajuana","Haidar,, Irajuana","Irajuana Haidar"],"full_name":"Irajuana Haidar","works_count":21,"cited_by_count":55,"summary_stats":{"2yr_mean_citedness":1.7,"h_index":5,"i10_index":0},"ids":{"openalex":"https://openalex.org/A5076779641","orcid":"https://orcid.org/0000-0002-5914-3220","observed_orcids":["https://orcid.org/0000-0002-5914-3220"]},"affiliations":[{"institution":{"id":"https://openalex.org/I4210122158","ror":"https://ror.org/01z9q7v15","display_name":"Universitas Sembilanbelas November Kolaka","country_code":"ID","type":"education","lineage":["https://openalex.org/I4210122158"]},"years":[2026,2025,2024,2023,2022,2021,2020]}],"last_known_institutions":[{"id":"https://openalex.org/I4210122158","ror":"https://ror.org/01z9q7v15","display_name":"Universitas Sembilanbelas November Kolaka","country_code":"ID","type":"education","lineage":["https://openalex.org/I4210122158"]}],"topics":[{"id":"https://openalex.org/T12522","display_name":"Mathematics Education and Pedagogy","count":17,"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":7,"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/T12590","display_name":"STEM Education","count":5,"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","count":4,"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"}},{"id":"https://openalex.org/T12170","display_name":"History and Theory of Mathematics","count":3,"subfield":{"id":"https://openalex.org/subfields/1207","display_name":"History and Philosophy of Science"},"field":{"id":"https://openalex.org/fields/12","display_name":"Arts and Humanities"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"topic_share":[{"id":"https://openalex.org/T11345","display_name":"Cognitive and developmental aspects of mathematical skills","value":3.03e-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"}},{"id":"https://openalex.org/T12590","display_name":"STEM Education","value":2.74e-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/T12522","display_name":"Mathematics Education and Pedagogy","value":2.39e-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/T13529","display_name":"Education Systems and Policies","value":1.77e-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/T14040","display_name":"Problem Solving Skills Development","value":1.35e-05,"subfield":{"id":"https://openalex.org/subfields/3202","display_name":"Applied 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":"145420912","wikidata":"https://www.wikidata.org/wiki/Q853077","display_name":"Mathematics education","score":0.7125880122184753},{"id":"15708023","wikidata":"https://www.wikidata.org/wiki/Q80083","display_name":"Humanities","score":0.701339066028595},{"id":"15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","score":0.6499000191688538},{"id":"33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","score":0.47652944922447205},{"id":"41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","score":0.46935659646987915}],"counts_by_year":[{"year":2015,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2018,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2020,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2021,"works_count":1,"oa_works_count":0,"cited_by_count":2},{"year":2022,"works_count":3,"oa_works_count":3,"cited_by_count":1},{"year":2023,"works_count":4,"oa_works_count":4,"cited_by_count":10},{"year":2024,"works_count":2,"oa_works_count":2,"cited_by_count":12},{"year":2025,"works_count":6,"oa_works_count":6,"cited_by_count":14},{"year":2026,"works_count":2,"oa_works_count":2,"cited_by_count":16}],"display_name_alternatives":["Haidar, Irajuana","Haidar,, Irajuana","Irajuana Haidar"],"block_key":"i haidar","works_api_url":"https://api.openalex.org/works?filter=author.id:A5076779641","updated_date":"2026-11-07T12:08:38","created_date":"2020-04-10T00:00:00"}