G. Nawara, M. Mansour, and G. Mohamed, “Using Lingo to Optimize the Supply Network Cost”, ASRJETS-Journal, vol. 37, no. 1, pp. 162–177, Oct. 2017, Accessed: Sep. 11, 2025. [Online]. Available: https://www.asrjetsjournal.org/American_Scientific_Journal/article/view/3512