Shimray, C.V., and Rashmi Sasidharan. “PRELIMINARY STUDY ON ENVIRONMENTAL AWARENESS OF STUDENTS WITH THE IMPLEMENTATION OF ENVIRONMENTAL EDUCATION IN SCHOOLS IN INDIA”. SCHOOL SCIENCE, vol. 52, no. 2, June 2014, pp. p.56-62, http://ejournals.ncert.gov.in/index.php/SS/article/view/2183.