Son, Le Thanh, and Le Cao Khai. 2019. “Reduction of COD in Nam Son Landfill Leachate by Electro-Fenton As Secondary Treatment After Electrocoagulation Pretreatment”. Vietnam Journal of Science and Technology 57 (6). Hanoi, VN:724-33. https://doi.org/10.15625/2525-2518/57/6/13883.