Mundiri, Akmal, and Umar Manshur. “School Principals’ Self-Identity According to The Perspective of Transpersonal Psychology”. Al-Tahrir: Jurnal Pemikiran Islam 20, no. 1 (May 15, 2020): 75-95. Accessed May 4, 2024. https://jurnal.iainponorogo.ac.id/index.php/tahrir/article/view/2005.