Putra, Fibi Eko, Humiras Hardi Purba, and Indah Astri Anggraeni. “The Optimization of Distribution and Transportation Costs for Common Good Products”. International Journal of Industrial Optimization 1, no. 2 (August 21, 2020): 111–120. Accessed November 23, 2024. http://journal2.uad.ac.id/index.php/ijio/article/view/2368.