Thi Dong Phuong, N., Van Anh, L. T., Thi Dieu Huong, L., & Thi My Yen, P. (2021). Extraction of polysaccharide from Spirulina platensis - advantage of freeze-thaw method. Vietnam Journal of Biotechnology, 18(4), 693–699. https://doi.org/10.15625/1811-4989/18/4/16087