Amiruddin, Amiruddin, Uswatun Hasanah Sitompul, Ayu Azhari, and Aldi Bayu Anggara. 2022. “The Influence of Online Learning Systems on the Efectiveness of Learning According to Islamic Perspective”. Edumaspul: Jurnal Pendidikan 6 (2), 2825-28. https://jurnal.unimen.cloud/maspuljr/article/view/5119.