Orazbayev, B.B., Orazbayeva, K.N., Kurmangaziyeva, L.T. and Makhatova, V. 2015. Multi-criteria optimisation problems for chemical engineering systems and algorithms for their solution based on fuzzy mathematical methods. EXCLI Journal. 14, (Aug. 2015), 984–998. DOI:https://doi.org/10.17179/excli2015-266.