Sihite M, Supriyanto S, Sitompul DP, Dalimunthe DMJ, Octavianus H, Taslim T, Dilham A, Sipayung RC, Dalimunthe RF. Online lectures during the COVID-19 pandemic : conceptual analysis. Int. j. bus. econ. manag. (Lond.) [Internet]. 2021Jun.4 [cited 2026Apr.19];4(1):256-61. Available from: https://sloap.org/journal/index.php/ijbem/article/view/1480