Agbo, Maria Charity, and Festus Sunday Adindu Ugwuarua. 2021. “ASSESSING THE EFFECTIVENESS OF ONLINE LECTURES IN TERTIARY INSTITUTIONS IN NIGERIA DURING COVID–19 PANDEMIC LOCK DOWN - (A STUDY OF ENUGU STATE)”. British International Journal of Education and Social Sciences 8 (9):7-15. https://cirdjournals.com/index.php/bijess/article/view/237.