Yusrizal, Y., and F. Fatmawati. “ANALYSIS OF TEACHER ABILITIES IN IMPLEMENTING ONLINE LEARNING IN ELEMENTARY SCHOOLS OF THE NORTH SUMATRA PAB FOUNDATION”. Jurnal Ilmiah Teunuleh , vol. 1, no. 2, Dec. 2020, pp. 129-37, doi:10.51612/teunuleh.v1i2.27.