Co Huynh Thi My, Thang Luong Minh, Uyen Nguyen Phan Thuy and Thien-Vu Tran 2025. Why do clients switch? An empirical study on third-party logistics service providers’ loyalty in Vietnam. The VMOST Journal of Social Sciences and Humanities. 67, 1 (Apr. 2025), 22-36. DOI:https://doi.org/10.31276/VMOSTJOSSH.2024.0030.