Mukhopadhyay, Dilip Kumar. “CHILDREN’S CONCEPTUAL FRAMEWORK ABOUT NATURAL PHENOMENA AND ITS IMPLICATION FOR SCIENCE TEACHING”. SCHOOL SCIENCE 51, no. 1 (March 31, 2013): p.46–48. Accessed August 23, 2025. http://ejournals.ncert.gov.in/index.php/SS/article/view/1894.