DIANA FITRI YANI; LANTIP DIAT PRASOJO. The Effect of Teacher Certification, Professionalism, and Work Discipline on their Performance in Pekanbaru City Senior High School. International Journal of Educational Technology Research, [S. l.], v. 3, n. 1, p. 55–68, 2025. DOI: 10.59890/ijetr.v3i1.398. Disponível em: https://jurnalinternasional.com/index.php/ijetr/article/view/398. Acesso em: 14 jun. 2026.