Ly, Nguyen, Pham Hung, Nguyen Nga, Ninh Trung, Duong Ha, Tian Jing, and Ives Stephen , trans. 2026. “Determinants of Technical Efficiency in Beef Cattle Production in River Alluvial Areas Near Hung Yen Urban Center”. Vietnam Journal of Agricultural Sciences 9 (2): 3031-43. https://doi.org/10.31817/vjas.2026.9.2.10.