{"id":"https://openalex.org/A5111033867","orcid":"https://orcid.org/0000-0002-6365-2327","observed_orcids":["https://orcid.org/0000-0002-6365-2327"],"display_name":"Israil Sitepu","raw_author_names":["Israil Sitepu","Sitepu, Israil"],"full_name":"Israil Sitepu","works_count":31,"cited_by_count":69,"summary_stats":{"2yr_mean_citedness":1.0,"h_index":5,"i10_index":3},"ids":{"openalex":"https://openalex.org/A5111033867","orcid":"https://orcid.org/0000-0002-6365-2327","observed_orcids":["https://orcid.org/0000-0002-6365-2327"]},"affiliations":[{"institution":{"id":"https://openalex.org/I4210102140","ror":"https://ror.org/01bwbjs64","display_name":"Universitas Katolik Santo Thomas","country_code":"ID","type":"education","lineage":["https://openalex.org/I4210102140"]},"years":[2026,2025,2024,2023,2022,2021]},{"institution":{"id":"https://openalex.org/I4210164349","ror":"https://ror.org/05djmm265","display_name":"Universitas Hindu Indonesia","country_code":"ID","type":"education","lineage":["https://openalex.org/I4210164349"]},"years":[2021]}],"last_known_institutions":[{"id":"https://openalex.org/I4210102140","ror":"https://ror.org/01bwbjs64","display_name":"Universitas Katolik Santo Thomas","country_code":"ID","type":"education","lineage":["https://openalex.org/I4210102140"]}],"topics":[{"id":"https://openalex.org/T12522","display_name":"Mathematics Education and Pedagogy","count":21,"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/T12590","display_name":"STEM Education","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/T11299","display_name":"Problem and Project Based Learning","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/T13830","display_name":"Educational Curriculum and Learning Methods","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"}}],"topic_share":[{"id":"https://openalex.org/T12590","display_name":"STEM Education","value":3.83e-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/T14060","display_name":"Education and Communication Studies","value":3.32e-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":2.92e-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/T12661","display_name":"Iterative Methods for Nonlinear Equations","value":2.04e-05,"subfield":{"id":"https://openalex.org/subfields/2612","display_name":"Numerical Analysis"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13082","display_name":"Water and Land Management","value":1.99e-05,"subfield":{"id":"https://openalex.org/subfields/2308","display_name":"Management, Monitoring, Policy and Law"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"15708023","wikidata":"https://www.wikidata.org/wiki/Q80083","display_name":"Humanities","score":0.7398056983947754},{"id":"145420912","wikidata":"https://www.wikidata.org/wiki/Q853077","display_name":"Mathematics education","score":0.7395741939544678},{"id":"15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","score":0.6692000031471252},{"id":"33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","score":0.6111541986465454},{"id":"41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","score":0.579800009727478}],"counts_by_year":[{"year":2019,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2021,"works_count":3,"oa_works_count":3,"cited_by_count":0},{"year":2022,"works_count":1,"oa_works_count":1,"cited_by_count":4},{"year":2023,"works_count":11,"oa_works_count":11,"cited_by_count":9},{"year":2024,"works_count":5,"oa_works_count":5,"cited_by_count":16},{"year":2025,"works_count":5,"oa_works_count":5,"cited_by_count":26},{"year":2026,"works_count":5,"oa_works_count":5,"cited_by_count":14}],"display_name_alternatives":["Israil Sitepu","Sitepu, Israil"],"block_key":"i sitepu","works_api_url":"https://api.openalex.org/works?filter=author.id:A5111033867","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5111033867","updated_date":"2026-11-13T15:08:24","created_date":"2020-10-01T00:00:00"}