C. . Kumari and S. . Awasthi, “Developing Environment Friendly Behaviour among Adolescents: Role of Intervention”, IER, vol. 45, no. 1, pp. p. 108–117, Jan. 2009, Accessed: Mar. 18, 2026. [Online]. Available: http://ejournals.ncert.gov.in/index.php/ier/article/view/2305