1. R. A. Firyal, “Online learning and the government’s new normal polices,” LawArXiv Pap., pp. 1–7, 2020, [Online]. Available: https://osf.io/preprints/lawarxiv/yt6qs/.(Originally in Indonesian).
2. Online Learning: A Panacea in the Time of COVID-19 Crisis
3. Keefektifan Flexible Learning dalam Menumbuhkan Self-Regulated Learning dan Hasil Belajar Mahasiswa PGSD
4. PEMANFAATAN E-LEARNING BAGI PARA PENDIDIK DI ERA DIGITAL 4.0
5. L. Hadisi and W. Muna, “Management of Information Technology in Creating Learning Innovation Models (E-learning),” J. Al-Ta’dib, vol. 8, no. 1, pp. 117–140, 2015.(Originally in Indonesian).