Juniar J, Sumarno S, Kartikowati S. Analysis of Sustainable Teacher Professionalism Development Post-Certification in SD Negeri Medang Kampai District, Dumai City. JES [Internet]. 2026 Jan. 21 [cited 2026 May 18];6(1):46-55. Available from: https://jes.ejournal.unri.ac.id/index.php/JES/article/view/1877