Meze, Michael Ejike. “Comparative Analysis of the Impact of Pre and Post Covid-19 on Academic Achievement of Post Primary School Students in Southeast Nigeria”. Strata International Journal of Social Issues 1, no. 2 (July 22, 2024): 129–151. Accessed April 19, 2026. https://journals.stratapersada.com/index.php/sijosi/article/view/243.