Van Thuan, Nguyen, Ngo Thi Thanh Thuy, Nguyen Hong Hai, Nguyen Cong Nguyen, & Xuan-Thanh Bui. "Influence of microalgae retention time on biomass production in membrane photobioreactor using human urine as substrate." Vietnam Journal of Science, Technology and Engineering [Online], 60.4 (2018): 66-70. Web. 22 Feb. 2019