ASTUTI, Vera; BEDI, Fisman; FITRI, Tin Amalia. THE ROLE OF SCHOOL PRINCIPALS IN DRIVING MGMP AS A MEANS OF PROFESSIONAL DEVELOPMENT OF JUNIOR HIGH SCHOOL TEACHERS. Al-Ulum Jurnal Pemikiran dan Penelitian ke Islaman, [S. l.], v. 12, n. 2, p. 136–142, 2025. DOI: 10.31102/alulum.12.2.2025.136-142. Disponível em: http://journal.uim.ac.id/index.php/alulum/article/view/3068. Acesso em: 25 jan. 2026.