Rini, F. S., and N. W. Mahardika. “Implementation of Learning Strategy “Student Team Achievement Divisions (STAD)” in Improving the Learning Outcomes of Students at the University of Darussalam Gontor For Girls 2019/2020”. At-Ta’dib, vol. 15, no. 1, June 2020, doi:10.21111/at-tadib.v15i1.4890.