Phannikul, T. and Sindhuchao, S. (2015) “A Customized Tabu Search for the Vehicle Routing Problem with Simultaneous Pick-up and Delivery”, Science & Technology Asia, 15(2), pp. 70–82. Available at: https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/41295 (Accessed: 2 May 2024).