Arroisi, Jarman, and Khoffifa Assakhyyu Qorib. “THEORY OF KHUDI AND SPIRITUAL DEVELOPMENT ON IQBAL’S PERSPECTIVE: Analysis Spiritual Strengthening Islamic Perspective”. TAJDID: Jurnal Ilmu Ushuluddin 22, no. 2 (December 31, 2023): 271–297. Accessed May 17, 2024. https://tajdid.uinjambi.ac.id/index.php/tajdid/article/view/370.