Prof. M. K. Khunti, and Prof. K. S. Vaghoshi. 2018. “Contact Stress Analysis of Spur Gear (EN 8) of PTO Drive Using Finite Element Analysis”. International Journal of Advance Engineering and Research Development (IJAERD) 5 (1):280-85. https://www.ijaerd.org/index.php/IJAERD/article/view/2123.