Thi Van Trang Tran, Thi Hoang Linh Ho, Manh Hung Huynh*, Thi Hanh Trinh Do and Nhu Hoai Bao Pham 2026. Packaging and social signals associated with Vietnamese consumers’ stated willingness to pay a premium for green last-mile delivery packaging. The VMOST Journal of Social Sciences and Humanities. 68, 1 (Apr. 2026). DOI:https://doi.org/10.31276/VMOSTJOSSH.2025.0026.