{"id":"https://openalex.org/A5081426844","orcid":"https://orcid.org/0000-0003-0239-945X","observed_orcids":["https://orcid.org/0000-0003-0239-945X"],"display_name":"Defrizal Hamka","raw_author_names":["Defrizal Defri Hamka","Defrizal HAMKA","Defrizal Hamka","Defrizal Hamka, -","Hamka, Defrizal","Hamka, Defrizal -"],"full_name":"Defrizal Defri Hamka","works_count":30,"cited_by_count":135,"summary_stats":{"2yr_mean_citedness":0.75,"h_index":5,"i10_index":3},"ids":{"openalex":"https://openalex.org/A5081426844","orcid":"https://orcid.org/0000-0003-0239-945X","observed_orcids":["https://orcid.org/0000-0003-0239-945X"]},"affiliations":[{"institution":{"id":"https://openalex.org/I130218214","ror":"https://ror.org/044b0xj37","display_name":"Indonesia University of Education","country_code":"ID","type":"education","lineage":["https://openalex.org/I130218214"]},"years":[2026,2024]},{"institution":{"id":"https://openalex.org/I4210142362","ror":"https://ror.org/049q7vv14","display_name":"Universitas Muhammadiyah Riau","country_code":"ID","type":"education","lineage":["https://openalex.org/I4210142362"]},"years":[2026,2025,2024,2022,2021,2020,2019,2018]}],"last_known_institutions":[{"id":"https://openalex.org/I130218214","ror":"https://ror.org/044b0xj37","display_name":"Indonesia University of Education","country_code":"ID","type":"education","lineage":["https://openalex.org/I130218214"]},{"id":"https://openalex.org/I4210142362","ror":"https://ror.org/049q7vv14","display_name":"Universitas Muhammadiyah Riau","country_code":"ID","type":"education","lineage":["https://openalex.org/I4210142362"]}],"topics":[{"id":"https://openalex.org/T12931","display_name":"Educational Methods and Outcomes","count":20,"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":12,"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/T10072","display_name":"Science Education and Pedagogy","count":6,"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/T14496","display_name":"Educational Technology and E-Learning","count":5,"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/T10636","display_name":"Innovative Teaching and Learning Methods","count":3,"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"}}],"topic_share":[{"id":"https://openalex.org/T12590","display_name":"STEM Education","value":6.57e-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/T12931","display_name":"Educational Methods and Outcomes","value":4.02e-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/T14182","display_name":"Technology-Enhanced Education Studies","value":1.91e-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/T14240","display_name":"E-Learning and COVID-19","value":1.78e-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/T12338","display_name":"Digital literacy in education","value":1.69e-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"}}],"x_concepts":[{"id":"15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","score":0.7480999827384949},{"id":"145420912","wikidata":"https://www.wikidata.org/wiki/Q853077","display_name":"Mathematics education","score":0.67330002784729},{"id":"15708023","wikidata":"https://www.wikidata.org/wiki/Q80083","display_name":"Humanities","score":0.5169969797134399},{"id":"41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","score":0.4966000020503998},{"id":"19417346","wikidata":"https://www.wikidata.org/wiki/Q7922","display_name":"Pedagogy","score":0.420199990272522}],"counts_by_year":[{"year":2015,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2018,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":2019,"works_count":4,"oa_works_count":4,"cited_by_count":2},{"year":2020,"works_count":3,"oa_works_count":3,"cited_by_count":6},{"year":2021,"works_count":3,"oa_works_count":3,"cited_by_count":22},{"year":2022,"works_count":1,"oa_works_count":1,"cited_by_count":35},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":20},{"year":2024,"works_count":5,"oa_works_count":5,"cited_by_count":22},{"year":2025,"works_count":2,"oa_works_count":1,"cited_by_count":15},{"year":2026,"works_count":9,"oa_works_count":8,"cited_by_count":13}],"display_name_alternatives":["Defrizal Defri Hamka","Defrizal HAMKA","Defrizal Hamka","Defrizal Hamka, -","Hamka, Defrizal","Hamka, Defrizal -"],"block_key":"d hamka","works_api_url":"https://api.openalex.org/works?filter=author.id:A5081426844","awards_count":0,"updated_date":"2026-11-07T12:08:38","created_date":"2016-06-24T00:00:00"}
