THE EFFECTIVENESS OF SCHOOL PRINCIPAL LEADERSHIP IN ENHANCING TEACHER PROFESSIONAL COMPETENCE AT SMK MIFTAHUL ULUM TUMPENG WONOSARI, BONDOWOSO. Evaluasi: j. manaj. pendidik. Islam. [Internet]. 2024 Sep. 18 [cited 2026 Oct. 30];8(2):159-76. Available from: https://e-journal.iaikahm.ac.id/evaluasi/article/view/2511