K. . Sharma, “Effect of Concept Mapping Strategy on Concept Retention and Concept Attrition in Organic Chemistry”, jie, vol. 38, no. 4, pp. p. 25–43, Feb. 2013, Accessed: Aug. 21, 2025. [Online]. Available: http://14.139.250.109/index.php/jie/article/view/1279