Joni Mulyasri, Opim Salim Sitompul, Sutarman, Syahril Efendi (2020) “A Decision Model for Location-Routing Problem with Distance Consideration”, International Journal of Advanced Science and Technology, 29(08), pp. 1120 - 1126. Available at: https://sersc.org/journals/index.php/IJAST/article/view/19803 (Accessed: 27September2021).