Зайко, Т.А., Олійник, А.О. and Субботін, С.О. 2013. Evolutionary method of factor analysis of data presented in the form of transaction databases. Eastern-European Journal of Enterprise Technologies. 6, 2(66) (Dec. 2013), 11–15. DOI:https://doi.org/10.15587/1729-4061.2013.18859.