Sokolenko, Nadiia, Elina Ruban, Victor Ostrovka, Moroz Oleksiy, Yevgeniy Popov, and Anna Sedych. 2019. “Study of the Toxicological Characteristics of Water-Soluble Surface-Active Substances Obtained Based on Phenol, Formaldehyde and Sodium Sulphite”. Technology Audit and Production Reserves 1 (3(51):44-47. https://doi.org/10.15587/2312-8372.2020.193074.