Nguyen, Phong, Nidal Hilal, and John T Novak. “FLOCCULATION DYNAMICS OF SYNTHETIC AND ACTIVATED SLUDGE IN WASTEWATER TREATMENT”. Science and Technology Development Journal 12, no. 2 (January 28, 2009): 74-84. Accessed December 23, 2024. http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/2208.