Савчук, О. В., А. П. Ладанюк, and Н. Г. Гриценко. 2009. “Cognitive Approach to Modeling and Managing Semistructured Organizational and Technological Systems (situations)”. Eastern-European Journal of Enterprise Technologies 2 (3(38):14-18. https://doi.org/10.15587/1729-4061.2009.5888.