Orazbayev, Batyr, Kulman Orazbayeva, Valentina Makhatova, Raigul Tuleuova, Zhumazhan Kulmagambetova, Timur Toleuov, Nurlan Mukatayev, and Yerbol Ospanov. 2021. “Methods of Constructing Models and Optimizing the Operating Modes of a Chemical Engineering System for the Production of Benzene in a Fuzzy Environment”. Eastern-European Journal of Enterprise Technologies 2 (2 (110):78-88. https://doi.org/10.15587/1729-4061.2021.226167.