Jayadi U, Farida Ferine K, Alfahmi M. THE INFLUENCE OF PRINCIPAL LEADERSHIP ROLE AND TEACHER PROFESSIONALISM IN IMPROVING TEACHER PERFORMANCE IN MATARAM CITY WITH EDUCATIONAL QUALITY MANAGEMENT AS A MEDIATION VARIABLE. BJ [Internet]. 2025 Jan. 9 [cited 2025 Jan. 31];4(10):1749-60. Available from: https://ojs.berajah.com/index.php/go/article/view/421