{"id":"https://openalex.org/A5100686331","orcid":"https://orcid.org/0000-0003-1370-072X","observed_orcids":["https://orcid.org/0000-0003-1370-072X"],"display_name":"Firman Firman","raw_author_names":["Firman","Firman Firman","Firman, Firman"],"full_name":"Firman Firman","works_count":65,"cited_by_count":68,"summary_stats":{"2yr_mean_citedness":0.375,"h_index":3,"i10_index":2},"ids":{"openalex":"https://openalex.org/A5100686331","orcid":"https://orcid.org/0000-0003-1370-072X","observed_orcids":["https://orcid.org/0000-0003-1370-072X"]},"affiliations":[{"institution":{"id":"https://openalex.org/I134635517","ror":"https://ror.org/00apj8t60","display_name":"Bandung Institute of Technology","country_code":"ID","type":"education","lineage":["https://openalex.org/I134635517"]},"years":[2016,2012]},{"institution":{"id":"https://openalex.org/I187494767","ror":"https://ror.org/05v4dza81","display_name":"Universitas Syiah Kuala","country_code":"ID","type":"education","lineage":["https://openalex.org/I187494767"]},"years":[2025]},{"institution":{"id":"https://openalex.org/I245308123","ror":"https://ror.org/04jrfgq66","display_name":"State University of Padang","country_code":"ID","type":"education","lineage":["https://openalex.org/I245308123"]},"years":[2025,2024,2023,2021]},{"institution":{"id":"https://openalex.org/I4210097553","ror":"https://ror.org/00vp4y570","display_name":"Universitas 17 Agustus 1945 Jakarta","country_code":"ID","type":"education","lineage":["https://openalex.org/I4210097553"]},"years":[2025,2024]},{"institution":{"id":"https://openalex.org/I4210106086","ror":"https://ror.org/01ktt4j08","display_name":"Universitas Maritim Raja Ali Haji","country_code":"ID","type":"education","lineage":["https://openalex.org/I4210106086"]},"years":[2023]},{"institution":{"id":"https://openalex.org/I4210116576","ror":"https://ror.org/02c0s8023","display_name":"Universitas Muslim Indonesia","country_code":"ID","type":"education","lineage":["https://openalex.org/I4210116576"]},"years":[2026,2019]},{"institution":{"id":"https://openalex.org/I4210133793","ror":"https://ror.org/045vhys49","display_name":"Universitas Muhammadiyah Cirebon","country_code":"ID","type":"education","lineage":["https://openalex.org/I4210133793"]},"years":[2023]},{"institution":{"id":"https://openalex.org/I4210141763","ror":"https://ror.org/04b33kk47","display_name":"Institut Agama Islam Negeri Manado","country_code":"ID","type":"education","lineage":["https://openalex.org/I4210141763"]},"years":[2018]},{"institution":{"id":"https://openalex.org/I4210150439","ror":"https://ror.org/04tp6pr14","display_name":"Bandung Islamic University","country_code":"ID","type":"education","lineage":["https://openalex.org/I4210150439"]},"years":[2020]},{"institution":{"id":"https://openalex.org/I4387153022","ror":"https://ror.org/04kynyg17","display_name":"Politeknik Negeri Ujung Pandang","country_code":null,"type":"education","lineage":["https://openalex.org/I4387153022"]},"years":[2026,2025,2024,2022,2020,2019,2018,2017,2016,2015,2014]},{"institution":{"id":"https://openalex.org/I4400600445","ror":"https://ror.org/056mb6a70","display_name":"Institut Agama Islam Negeri Parepare","country_code":null,"type":"education","lineage":["https://openalex.org/I4400600445"]},"years":[2024,2020,2019]},{"institution":{"id":"https://openalex.org/I4405253200","ror":"https://ror.org/00dbyax80","display_name":"Sekolah Tinggi Filsafat Theologia Jaffray","country_code":"ID","type":"education","lineage":["https://openalex.org/I4405253200"]},"years":[2020]},{"institution":{"id":"https://openalex.org/I4405254042","ror":"https://ror.org/01bfg2v82","display_name":"Universitas Islam Negeri Palopo","country_code":"ID","type":"education","lineage":["https://openalex.org/I4405254042"]},"years":[2024]},{"institution":{"id":"https://openalex.org/I4405259777","ror":"https://ror.org/02pn4f312","display_name":"Universitas Pendidikan Muhammadiyah Sorong","country_code":"ID","type":"education","lineage":["https://openalex.org/I4405259777"]},"years":[2021,2020]},{"institution":{"id":"https://openalex.org/I4405274485","ror":"https://ror.org/01tg9pd92","display_name":"Politeknik Negeri Ketapang","country_code":"ID","type":"education","lineage":["https://openalex.org/I4405274485"]},"years":[2020]},{"institution":{"id":"https://openalex.org/I4429535","ror":"https://ror.org/05fzw1z08","display_name":"State University of Makassar","country_code":"ID","type":"education","lineage":["https://openalex.org/I4429535"]},"years":[2021,2020,2019]}],"last_known_institutions":[{"id":"https://openalex.org/I4210116576","ror":"https://ror.org/02c0s8023","display_name":"Universitas Muslim Indonesia","country_code":"ID","type":"education","lineage":["https://openalex.org/I4210116576"]},{"id":"https://openalex.org/I4387153022","ror":"https://ror.org/04kynyg17","display_name":"Politeknik Negeri Ujung Pandang","country_code":null,"type":"education","lineage":["https://openalex.org/I4387153022"]}],"topics":[{"id":"https://openalex.org/T10468","display_name":"Photovoltaic System Optimization Techniques","count":6,"subfield":{"id":"https://openalex.org/subfields/2105","display_name":"Renewable Energy, Sustainability and the Environment"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10905","display_name":"Solar Thermal and Photovoltaic Systems","count":6,"subfield":{"id":"https://openalex.org/subfields/2105","display_name":"Renewable Energy, Sustainability and the Environment"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11529","display_name":"Refrigeration and Air Conditioning Technologies","count":6,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10938","display_name":"Phase Change Materials Research","count":5,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10944","display_name":"Turbomachinery Performance and Optimization","count":4,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T13873","display_name":"Educational Methods and Technology","value":5.2e-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/T10938","display_name":"Phase Change Materials Research","value":4.87e-05,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12683","display_name":"Studies on Chitinases and Chitosanases","value":3.93e-05,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T12092","display_name":"Erosion and Abrasive Machining","value":3.84e-05,"subfield":{"id":"https://openalex.org/subfields/2302","display_name":"Ecological Modeling"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11749","display_name":"Iterative Learning Control Systems","value":3.7e-05,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.7683621644973755},{"id":"15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","score":0.7515000104904175},{"id":"192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","score":0.6848795413970947},{"id":"41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","score":0.6089345216751099},{"id":"127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","score":0.5590398907661438}],"counts_by_year":[{"year":2010,"works_count":1,"oa_works_count":0,"cited_by_count":2},{"year":2011,"works_count":1,"oa_works_count":0,"cited_by_count":15},{"year":2012,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2013,"works_count":2,"oa_works_count":1,"cited_by_count":16},{"year":2014,"works_count":1,"oa_works_count":1,"cited_by_count":1},{"year":2015,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":2016,"works_count":4,"oa_works_count":3,"cited_by_count":5},{"year":2017,"works_count":1,"oa_works_count":0,"cited_by_count":2},{"year":2018,"works_count":4,"oa_works_count":3,"cited_by_count":3},{"year":2019,"works_count":4,"oa_works_count":3,"cited_by_count":3},{"year":2020,"works_count":12,"oa_works_count":6,"cited_by_count":5},{"year":2021,"works_count":4,"oa_works_count":1,"cited_by_count":2},{"year":2022,"works_count":6,"oa_works_count":4,"cited_by_count":4},{"year":2023,"works_count":5,"oa_works_count":5,"cited_by_count":4},{"year":2024,"works_count":7,"oa_works_count":7,"cited_by_count":4},{"year":2025,"works_count":7,"oa_works_count":6,"cited_by_count":2},{"year":2026,"works_count":2,"oa_works_count":2,"cited_by_count":0}],"display_name_alternatives":["Firman","Firman Firman","Firman, Firman"],"block_key":"f firman","works_api_url":"https://api.openalex.org/works?filter=author.id:A5100686331","updated_date":"2026-10-16T12:29:29","created_date":"2021-05-24T00:00:00"}
