Riteshwari Chaturvedi, V K Pathak, Kamal Mehta, Seema Sahu. “Profit Analysis of a System Having One Main Unit And Two Supporting Units”. International Journal of Engineering and Computer Science 2, no. 10 (October 30, 2013). Accessed April 25, 2024. http://ijecs.in/index.php/ijecs/article/view/2114.