Thi-Thuy-Duong Nguyen, Thanh-Tin Nguyen, Quach An Binh, Xuan-Thanh Bui, Huu Hao Ngo, Hoang Nhat Phong Vo, Kun-Yi Andrew Lin, Thi-Dieu-Hien Vo, Wenshan Guo, Chitsan Lin, Florian Breider (2020)/Co-culture of microalgae-activated sludge for wastewater treatment and biomass production: Exploring their role under different inoculation ratios