Simanullang HT, Sujanto B, Arbah F. School Principal Performance Improvement Through Leadership Transformational and Affective Commitment . Migrat. Lett. [Internet]. 2023 Nov. 20 [cited 2026 Jan. 13];21(2):1131-45. Available from: https://migrationletters.com/index.php/ml/article/view/7057