Thi Minh Nguyet, Nguyen, Thi Lien, Do, Thi Ngoc Mai, Cung, Phuong Ha, Hoang, AND Thi Nhi Cong, Le. " Toluene degradation of biofilm formed by photosynthetic purple bacteria isolated from oil polluted water samples taken at Cau Da port, Khanh Hoa" VNU Journal of Science: Natural Sciences and Technology [Online], Volume 33 Number 2S (10 October 2017)