E. . Sumarna, T. . Supriyadi, . M. . Abdullah, N. . Rahminawati, K. Z. . Avkharovna, and D. Al-Sharoot, “Developing and Validating the HARMONY Model: A Prophetic Values-Based Hadith Learning Approach Integrating Digital Tools to Strengthen University Students’ Religious Tolerance”, IJLTER, vol. 25, no. 8, pp. 704–727, Aug. 2026.