Ankur Gupta, Nakul Gupta, Sudhir Kumar Goyal. “Non-Destructive Testing of Composite Materials”. International Journal of Advanced Science and Technology 29, no. 10s (June 1, 2020): 4594-4601. Accessed April 30, 2024. http://sersc.org/journals/index.php/IJAST/article/view/22016.