Afriansyah, E., D. Sofyan, N. Puspitasasri, I. Lurytawati, R. Sundayana, I. Maryati, M. Noordyan, and B. Basuki. “Edmodo E-Learning Media Training for Learning Optimization”. Journal Pekemas, Vol. 3, no. 2, Jan. 2021, pp. 33-39, https://ejournals.institutpendidikan.ac.id/index.php/PEKEMAS/article/view/38.