TT Phuc, Nguyen, Lin Crase, and Thi Thu Ha Nguyen. “ Relationship Between Intra-Firm Logistics Integration and Transaction Costs: An Empirical Study of International Multimodal Transport Companies in Vietnam”. Journal of International Economics and Management, no. 83 (April 30, 2016): 35-53. Accessed April 26, 2024. https://jiem.ftu.edu.vn/index.php/jiem/article/view/146.