Anupam Chaturvedi, Prof. Jyoti Mishra, and Prof. Vijay Parmar. 2017. “An Improved Scissor Lift Working on Lead Screw Mechanism”. International Journal of Advance Engineering and Research Development (IJAERD) 4 (2):89-95. https://www.ijaerd.org/index.php/IJAERD/article/view/1904.