Vu, Cong Thang, Dang Khoa Nguyen, Thong Nhat Le, Quoc Thang Le, Minh Khoa Nguyen, Thanh Dat Pham, Thi Dau Pham, Thuy Ai Le, Truong Giang Duong, and Quan Huyen Vo. 2015. “Research to Improve Wastewater Treatment System of Dung Quat Biofuel Plant”. Petrovietnam Journal 7 (August), 49 - 54. https://pvj.vn/index.php/TCDK/article/view/606.