Silalahi, H. ., K. . Ginting, and J. Johannes. “ANALYSIS OF LEARNING THROUGH WEB-BASED TUTORIALS (TUWEB) DURING THE COVID 19 PANDEMIC ON STUDENTS OF UPBJJ UT MEDAN”. Sensei International Journal of Education and Linguistic, vol. 2, no. 2, May 2022, pp. 263-70, doi:10.53768/sijel.v2i1.80.