Hạnh N. SYNTHESIS OF NANO MnO2CATALYST AND ITS APPLICATION TO TREATMENT OF ORGANIC COMPOUNDS IN LIVESTOCK’S WASTEWATER AFTER ANAEROBIC DIGESTION. VJASVN [Internet]. 2024 May 24 [cited 2025 Sep. 17];15(4):400-8. Available from: https://vie.vjas.vn/index.php/vjasvn/article/view/370