Taikhao, S., and S. Phunpruch. “Biomass and biohydrogen production by unicellular green alga Chlorella vulgaris var. vulgaris TISTR 8261 using frozen food industrial wastewater”. Asia-Pacific Journal of Science and Technology, vol. 27, no. 01, Feb. 2022, pp. APST-27, doi:10.14456/apst.2022.19.