P. . Mukherjee, “1. W5H of Science 2. W5H of Technology Author Rakesh Mohan Hallen Publisher Vigyan Prasar”, SS, vol. 49, no. 1, pp. p.81–82, Mar. 2011, Accessed: Apr. 28, 2025. [Online]. Available: http://14.139.250.109:8090/index.php/SS/article/view/911