I. Zulkifly, S. A. M. A. Syed Esa, and R. S. Kayati, “The Ontology, Epistemology, and Axiology of Fakhr Al-Dīn Al-Rāzī’s Work on Soul and Its Relation to Character Development”, IJOHS, vol. 8, no. 1, pp. 141–161, Apr. 2026.