S. M. Danish, Stephen John, and Qehrman Latif. “Effect of Time-of-Day on Learning of Mathematics: A Case of Secondary Schools in Karachi”. Journal of History and Social Sciences 13, no. 1 (June 30, 2022): 63-72. Accessed October 4, 2023. https://jhss-uok.com/index.php/JHSS/article/view/205.