Nguyen, Anh, Mi Le, Phu Nguyen, Nga Dang, and Hien To. 2013. “Investigating the Species of Microorganisms from Activated Sludge for Handling Phenol Contaminated-Air Streams in Biotrickling Filter”. Science and Technology Development Journal 16 (3), 96-105. https://doi.org/https://doi.org/10.32508/stdj.v16i3.1624.