A. M. . Assidiq, D. . Perawironegoro, and Y. Yoyo, “Analysis of Sincerity in the Spiritual Aspects of the Book Al-Ḥikam Ibn ‘Aṭā’illāh al-Iskandarī and Its Internalization in Islamic Education”, EDUSOSHUM, vol. 6, no. 1, pp. 433–445, Mar. 2026.