D. B. Simamora, N. M. Siregar, and Y. Setiakarnawijaya, “The effect of quality of implementation of pjj pjokc conditions, and achievement motivation on the students’ learning outcomes of sma negeri 25 jakarta (during the covid-19 pandemic)”, GJIK, vol. 13, no. 02, pp. 119 -131, Jun. 2022.