[1]
K. . Sharma, “Effectiveness of Concept Mapping Strategy on Student’s Achievement and Concept Retention in Organic Chemistry”, IER, vol. 52, no. 1, pp. p. 111–127, Jan. 2014, Accessed: Mar. 18, 2026. [Online]. Available: http://ejournals.ncert.gov.in/index.php/ier/article/view/2886