Sreedharacharyulu, K., and Sardar Dharmendra Singh. “Developing Geometrical Reasoning Among Children at Secondary Level”. Educational Trend (A Journal of RIE, Ajmer - NCERT) 3, no. 1 (March 12, 2025): 126–133. Accessed September 1, 2025. http://ejournals.ncert.gov.in/index.php/ET/article/view/3703.