Rahmatia, R., and A. Azis. “The Implementation of Online Learning During the COVID-19 Pandemic Regarding students’ Mathematics Learning Outcomes”. Alifmatika: Jurnal Pendidikan Dan Pembelajaran Matematika, Vol. 5, no. 1, June 2023, pp. 129-40, doi:10.35316/alifmatika.2023.v5i1.129-140.