Ravi, M. V., Nehal Thakur, B. N. Rachana, S. Chandana, and R. Rakshitha. “Design and Fabrication of Pneumatic Borewell Child Rescue System”. International Journal of Research in Engineering, Science and Management 3, no. 7 (July 25, 2020): 261–265. Accessed May 20, 2024. https://journal.ijresm.com/index.php/ijresm/article/view/73.