Sopian, Asep, Diding Nurdin, and Nani Hartini. “Spiritual Leadership and Pedagogical Competence: Enhancing the Quality of Student Services in an Islamic Boarding School”. Educazione: Journal of Education and Learning 3, no. 2 (June 20, 2026): 97–107. Accessed June 28, 2026. https://serambi.org/index.php/educazione/article/view/2312.