SY CHINH, Le; HUNG, Pham Anh; DO HUNG, Phan. Effect of Reflux Ratio on Piggery Wastewater Treatment Efficiency affer Bigogas Processing of Bio-filtration System Combined with Alternate Aeration. VNU Journal of Science: Earth and Environmental Sciences, [S.l.], v. 34, n. 3, sep. 2018. ISSN 2588-1094. Available at: <https://js.vnu.edu.vn/EES/article/view/4258>. Date accessed: 24 nov. 2024. doi: https://doi.org/10.25073/2588-1094/vnuees.4258.