Armin, Armin, Amaluddin Amaluddin, and Elihami Elihami. 2021. “Effecting of Teacher Certification on Teacher Performance in Public High Schools: Bibliometrics and Quantitative Analysis”. EduPsyCouns: Journal of Education, Psychology and Counseling 3 (2), 19-29. https://ummaspul.e-journal.id/Edupsycouns/article/view/2346.