ZAENAL FANANI. PROFESSIONAL COMPETENCY DEVELOPMENT OF SECONDARY SCHOOL PRINCIPAL BY ONLINE IN THE CITY OF BANJARBARU. European Journal of Humanities and Educational Advancements, [S. l.], v. 3, n. 1, p. 43-55, 2022. Disponível em: https://scholarzest.com/index.php/ejhea/article/view/1734. Acesso em: 11 apr. 2025.