Tran Chi Kiet and Doan Vinh Thang 2023. Students’ preferences for attributes of a B1 English level course: A conjoint analysis. The VMOST Journal of Social Sciences and Humanities. 65, 2 (Aug. 2023), 65-70. DOI:https://doi.org/10.31276/VMOSTJOSSH.65(2).65-70.