Kumar, Sujeet, and Janki Dhapola. “An Analysis of Reasons Behind Difficulties in Understanding Life Science Concepts of Undergraduate Students in Universities of Chhattisgarh”. Advances in Social Sciences Research Journal 10, no. 7 (July 9, 2023): 21–34. Accessed December 1, 2024. http://804474.wannyin.cyou/index.php/ASSRJ/article/view/14516.