SUMINAR S. THE INFLUENCE OF THE PRINCIPAL’S MANAGERIAL COMPETENCE, WORK CLIMATE AND TEACHER’S SELF CONCEPT . JKP UHAMKA [Internet]. 2025 Jun. 30 [cited 2025 Dec. 15];8(1):1060-9. Available from: https://journal.uhamka.ac.id/index.php/jkp/article/view/20949