Singh, Vijay P. “IN-SERVICE TEACHERS’ PERCEPTION ABOUT THE EFFECTIVENESS OF THE USE OF MULTIMEDIA IN TRAINING OF SCIENCE”. SCHOOL SCIENCE 56, no. 2-3 (September 30, 2018): p.32–36. Accessed April 28, 2025. http://14.139.250.109:8090/index.php/SS/article/view/3790.