Lutfullina, G. G., K. S. Guseva, P. V. Grishin, and R. K. Khairutdinova. “SYNTHESIS AND STUDY OF PROPERTIES OF SURFACTANTS BASED ON FAT ACIDS OF PALM OIL AND METHANOL”. ChemChemTech, Vol. 61, no. 6, June 2018, pp. 88-95, doi:10.6060/tcct.20186106.5685.