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.
<strong>VNU Journal of Science: Earth and Environmental Sciences</strong>, [S.l.], v. 34, n. 3, sep. 2018.
ISSN 2588-1094.
Available at: &lt;<a href="https://js.vnu.edu.vn/EES/article/view/4258" target="_new">https://js.vnu.edu.vn/EES/article/view/4258</a>&gt;. Date accessed: 21 sep. 2024.
doi: <a href="https://doi.org/10.25073/2588-1094/vnuees.4258">https://doi.org/10.25073/2588-1094/vnuees.4258</a>.