1. Y. Pujilestari, Bul. Huk. Keadilan, 4 (1), 49–56 (2020).
2. COMBINING GOOGLE SKETCHUP AND ISPRING SUITE 8: A BREAKTHROUGH TO DEVELOP GEOMETRY LEARNING MEDIA
3. D. Prabowo, “Pembelajaran Jarak Jauh Akan Dibuat Permanen’, Kompas.com, 3 July. Available at: https://www.google.com/amp/s/amp.kompas.com/nasional/read/2020/07/03/06485471/populer-nasional-pembelajaran-jarak-jauh-akan-dibuat-permanen-penambahan (2020)
4. A. Wicaksono, “Nadiem Ibaratkan Pandemi Covid-19 Ledakan bagi Pendidikan’, CNN Indonesia, 31 July. Available at: https://m.cnnindonesia.com/nasional/20200731062239-20-530894/nadiem-ibaratkan-pandemi-covid-19-ledakan-bagi-pendidikan (2020).
5. StatCounter Mobile Operating System Market Share Indonesia, Statcounter Globalstat. Available at: https://gs.statcounter.com (2020).