Parashar, Ravindra Kumar, and Vikramjit Singh. “Strategies of Classroom Transaction of Science at Upper Primary Level in the Light of NCF-2005”. JOURNAL OF INDIAN EDUCATION 37, no. 1 (May 31, 2011): p. 54–63. Accessed March 1, 2026. http://ejournals.ncert.gov.in/index.php/jie/article/view/792.