Sreedharacharyulu, K., and Sardar Dharmendra Singh. “Developing Geometrical Reasoning Among Children at Secondary Level”. Educational Trend (A Journal of RIE, Ajmer - NCERT), vol. 3, no. 1, Mar. 2025, pp. 126-33, http://14.139.250.109:8090/index.php/ET/article/view/3703.