Umerzakova, M., B.K. Donenov, Z. Kainarbaeva, A. Kartay, and R. Sarieva. 2020. “Pilot Production of Spirulina Biomass and Obtaining of Novel Biodegradable Surfactants”. Eurasian Chemico-Technological Journal 22 (3), 219-26. https://doi.org/10.18321/ectj973.