F. Witthayanukun, H. Cheming, M. Khiati, and D. A. Yahya Al-Hidabi, “A Factor-Structural Analysis of the A-K 5D Hikmah Model Based on Data from Islamic Private School Teachers in Narathiwat, Thailand”, IJES, vol. 14, no. 1, pp. 85–103, Jan. 2026.