EFFENDI, Andi. Efforts to Improve Teacher Performance Through Individual Supervision of Dumai 6 Public Middle School Teachers. Journal of Educational Sciences, [S. l.], v. 7, n. 4, p. 636–651, 2023. DOI: 10.31258/jes.7.4.p.636-651. Disponível em: https://jes.ejournal.unri.ac.id/index.php/JES/article/view/208. Acesso em: 25 jan. 2026.