Singh, Vijay P., and Ahrar Husain. “Hands-on Activities Vs Multimedia Content in Science in Developing Pre-Service Teachers’ Competence”. SCHOOL SCIENCE 55, no. 2-3 (September 30, 2017): p.98–103. Accessed April 29, 2025. http://14.139.250.109:8090/index.php/SS/article/view/2531.