M, C. S. D., and R. S. Qamaria. “he ffectiveness of oogle lassroom s nglish earning ssistance”. ontribusi: urnal enelitian an engabdian epada asyarakat, vol. 1, no. 1, Nov. 2020, pp. 47-53, doi:10.53624/kontribusi.v1i1.10.