N. Nurdani, M. Ritonga, and M. Mursal, “Mastery Learning as Learning Model to Meet the Passing Grade of Al-Qur’an Hadith Subject at Madrasah Ibtidaiyah Negeri 4 Padang Pariaman”, Firdaus, vol. 1, no. 1, pp. 1–11, Dec. 2021, doi: 10.37134/firdaus.vol1.1.1.2021.