Thao, Nguyen Thi, Binh, Ta Thac, Khanh Linh, Pham Thi, Son, Vu Hong, AND Minh Tu, Nguyen. " Optimization of the extraction conditions for Chlorophyll a from fresh Spirulina" Food Science and Applied Biotechnology [Online], Volume 5 Iss. 1 (18 March 2022)