Rakesh Kumar and Moushmi Kumari, “Study of Effectiveness of Cooperative Learning on Academic Achievement of Mathematics of Class x Students”, jie, vol. 47, no. 2, pp. p. 39–56, Aug. 2021, Accessed: Jul. 06, 2025. [Online]. Available: http://ejournals.ncert.gov.in/index.php/jie/article/view/2925