W. Rizkallah, L., M. F. Ahmed, and N. M. Darwish. “A Clustering Algorithm for Solving the Vehicle Routing Assignment Problem in Polynomial Time”. International Journal of Engineering & Technology 9, no. 1 (January 11, 2020): 1–8. Accessed November 23, 2024. https://sciencepubco.com/index.php/ijet/article/view/22231.