SHAMSUDDIN, Ahmad Handhalas; SA`ARI, Che Zarrina; ZAINAL ABIDIN, Mohd Syukri. Usability of al-Linggi Spiritual Development Module on Repentance for Tazkiyyah al-Nafs: Nominal Group Technique Analysis. Journal of Advanced Islamic and Legal Research, [S. l.], v. 1, n. 1, p. 1–11, 2024. Disponível em: https://ailrjournal.com/index.php/journal/article/view/4. Acesso em: 9 oct. 2025.