Alsaraireh, A. A., Almasarweh, M. S., Al Wadi, S., & Alnawaiseh, M. B. (2019). Comparing study between simplex method and Lagrange method in a linear programming problem. Italian Journal of Pure and Applied Mathematics, 42, 934–943. Retrieved from https://journals.uniurb.it/index.php/ijpam/article/view/7164