Nafa, Yordan, et al. “Inovasi Pembelajaran Pendidikan Agama Islam Di Era Revolusi Industri 4.0 Melalui Media Massive Open Online Course (MOOC)”. Journal of Islamic Education Research, vol. 2, no. 2, Dec. 2021, pp. 133-46, doi:10.35719/jier.v2i2.173.