Woottichaiwat S. Efficiency Improvement of Truck Queuing System in the Freight Unloading Process Case Study of a Private Port in Songkhla Province. SEHS [Internet]. 2015 Sep. 1 [cited 2024 May 5];9(2):52-8. Available from: https://li01.tci-thaijo.org/index.php/sehs/article/view/21467