Fejoh, Johnson, and Paul Onanuga. “Mental Health Problems and Effective Leadership in Educational Institution in Ogun State, Nigeria”. Pedagogi: Jurnal Ilmu Pendidikan 25, no. 1 (May 5, 2025): 226-233. Accessed June 7, 2026. http://pedagogi.ppj.unp.ac.id/index.php/pedagogi/article/view/2437.