Annisa, R., T. Wibowo, and M. Sapti. “Implementation of Edmodo and Classdojo on the Activeness and Achievements of Students During Covid-19 Pandemic in Learning Mathematics”. Jurnal Iqra’ : Kajian Ilmu Pendidikan, vol. 7, no. 1, June 2022, pp. 192-03, doi:10.25217/ji.v7i1.2109.