Ms.B.M.Sandhya, Ms.J.Shivani, Mr.M.Nagarajapandian, Ms.K.J.Swathi,. “Self-Inflating Swimming Balloon”. Design Engineering (June 29, 2021): 897-904. Accessed April 29, 2024. http://thedesignengineering.com/index.php/DE/article/view/2343.