Chiou, Chuang-Chun, Wen-Hui Ouyang, and Tzu-Yang Lin. 2023. “An Empirical Study of Vehicle Routing Problem With Clustering Approach for Medical Consumable Materials Delivery”. Research and Developments in Engineering Research Vol. 1, March, 54-66. https://doi.org/10.9734/bpi/rader/v1/9716F.