Sartika, Deni, M. Giatman, Jonni Mardizal, and Yuliarma Yuliarma. “A Vocational High School Transformational Leadership Analysis of Teacher Performance: A Literature Review Study”. Journal Of Education And Teaching Learning (JETL) 8, no. 2 (June 12, 2026): 222–237. Accessed June 13, 2026. https://pusdikra-publishing.com/index.php/jetl/article/view/3291.