“The Levels of Transformational Leadership (TL) Practice and Its Impact on the Organizational Health (OH) of School Teachers in Selangor and Perak: A Systematic Review ”. Utamax : Journal of Ultimate Research and Trends in Education 3, no. 2 (July 30, 2021): 115–124. Accessed May 2, 2026. https://journal.unilak.ac.id/index.php/UTAMAX/article/view/7101.