Mazumdar, Munindra Kumar. “Investigation of Problem Solving in Mathematics’ Teaching Learning Process”. Educational Trend (A Journal of RIE, Ajmer - NCERT) 1, no. 2 (March 12, 2025): 10–14. Accessed April 28, 2025. http://14.139.250.109:8090/index.php/ET/article/view/3606.