M. Alang Khairun Nizar. IMPLEMENTATION OF HEAD OF MADRASAH LEADERSHIP IN AN ATTEMPT IMPROVING PROFESSIONALISM TEACHER AT MADRASAH TSANAWIYAH NEGERI TEBING TINGGI CITY. IJERE [Internet]. 2022 Dec. 30 [cited 2024 May 21];1(2):213-9. Available from: https://ejournal.ipinternasional.com/index.php/ijere/article/view/314