Qasim, Syed Hasan, and Sudhansu Shekhar Pandey. “CONTENT ANALYSIS OF DIAGRAMMATIC REPRESENTATIONS IN UPPER PRIMARY SCIENCE TEXTBOOKS”. International Journal of Research -GRANTHAALAYAH 5, no. 7 (July 31, 2017): 474–479. Accessed September 17, 2025. https://granthaalayahpublication.org/journals/granthaalayah/article/view/IJRG17_A07_542.