Wartin Masoni, Arfan Arsyad, and Besse Marhawati. 2022. “TEACHER COMPETENCE IMPROVEMENT THROUGH SUPERVISION OF COOPERATIVE PROFESSIONAL DEVELOPMENT MODEL AT HIGH SCHOOL IN BONE BOLANGO DISTRICT”. European Journal of Humanities and Educational Advancements 3 (11):26-31. https://scholarzest.com/index.php/ejhea/article/view/2877.