Apriana E, Warisno A, Hidayah N. Leadership Style of Madrasah Principal in Improving Teacher Professionalism at Madrasah Aliyah. JCELL [Internet]. 2022 Feb. 5 [cited 2024 Nov. 21];2(3):191-9. Available from: https://journal.jcopublishing.com/index.php/jcell/article/view/106