Ha, L., Thao, L., Hoa, N., & Giam, D. (2022). An Assessment of the Economic Efficiency of Swine Farms Applying BioSecurity Practices in Bac Ninh Province, Vietnam. Vietnam Journal of Agricultural Sciences, 5(2), 1492-1505. https://doi.org/10.31817/vjas.2022.5.2.06