Кондратов, Сергей Алексеевич, and Мохаммед Джамал Аль Хамадани. 2015. “Development of Mathematical Model of Extraction Stage in the Nitrobenzene Production”. Eastern-European Journal of Enterprise Technologies 3 (6(75):4-10. https://doi.org/10.15587/1729-4061.2015.43404.