P, Nagasankar, Tamilselvi P, Babu T V B, Jasim Salahudin S, Aravindhan S, and Deepak J. 2018. “Design and Manufacturing of Fixture for Edge Prepration of Elbows”. International Journal of Engineering & Technology 7 (3.34): 339-44. https://doi.org/10.14419/ijet.v7i3.34.19221.