Rofi’i, M. A., N. F. . Firdaus, and E. . Rachmawati. “Sincerity and Devotion-Based Education: (Case Study at Al-Ishlah Lamongan Islamic Boarding School)”. Syaikhuna: Jurnal Pendidikan Dan Pranata Islam, vol. 15, no. 01, Apr. 2024, pp. 34-47, doi:10.62730/syaikhuna.v15i01.7308.