Bo Wang และ -. (2020) Research on The Vehicle Routing Problem with Simultaneous Pick-up and Delivery with Time Windows. RANGSIT UNIVERSITY:ม.ป.ท.Bo Wang และ -. 2020. Research on The Vehicle Routing Problem with Simultaneous Pick-up and Delivery with Time Windows. ม.ป.ท.:RANGSIT UNIVERSITY;Bo Wang และ -. Research on The Vehicle Routing Problem with Simultaneous Pick-up and Delivery with Time Windows. ม.ป.ท.:RANGSIT UNIVERSITY, 2020. Print.