Siren, N. R. (2001) “Diri: Satu Pemahaman Falsafah Muhammad Iqbal dalam Asrari-Khudi”, Jurnal Usuluddin, 13, pp. 37–50. Available at: https://ejournal.um.edu.my/index.php/JUD/article/view/4004 (Accessed: 22 November 2024).