Son, Le Thanh, and Le Cao Khai. “Reduction of COD in Nam Son Landfill Leachate by Electro-Fenton As Secondary Treatment After Electrocoagulation Pretreatment”. <i>Vietnam Journal of Science and Technology</i> 57, no. 6 (November 20, 2019): 724–733. Accessed January 10, 2026. https://vjs.ac.vn/jst/article/view/13883.