RIDWAN, Ahmad; YUDISTIRA; ZILLAH, Hikmatun; KHOMISAH, Siti. The Role of Principal Supervision in Improving Teacher Professionalism at SMAN 1 Batang Gansal Indragiri Hulu Regency Riau Province. EduLine: Journal of Education and Learning Innovation, [S. l.], v. 3, n. 4, p. 654–660, 2023. DOI: 10.35877/454RI.eduline2261. Disponível em: https://jpabdimas.idjournal.eu/index.php/eduline/article/view/2261. Acesso em: 19 apr. 2026.