B. . Majumdar and A. . Raychaudhuri, “Attendance is One of the Major Factors for Academic Performance of the Students of Elementary Classes”, IER, vol. 50, no. 1, pp. p. 47–60, Jan. 2012, Accessed: Apr. 28, 2025. [Online]. Available: http://14.139.250.109:8090/index.php/ier/article/view/2466