N. A. K. Ibrahim, Z. Fadhlurrahman, F. Azkia, and P. S. Azkya, “The Semantic Field of Tazkiyah al-Nafs in the Qur’an: A Psychospiritual Framework for Islamic Psychology”, J Qurdis, vol. 27, no. 2, pp. 430–457, Jul. 2026, doi: 10.14421/qh.v27i1.7542.