Tinjauan Awal Keberkesanan Modul Bersepadu Kursus Pra-Perkahwinan Islam (MBKPI) Kepada Pemohon Perkahwinan Bawah Umur: Analisis Aspek Hifz Al-Nafs: A Preliminary Study on the Effectiveness of the Integrated Islamic Pre-Marriage Course for Underage Marriage Applicants: An Analysis of the Hifz al-Nafs Aspect. J. Muwafaqat. 2024;7(2):69-85. doi:10.53840/muwafaqat.v7i2.181