Калмыков, Андрей Викторович, and Олег Николаевич Воскобойник. “System View on the Development of Operation Support Information Solutions”. Eastern-European Journal of Enterprise Technologies 4, no. 2(52) (December 20, 2011): 21–27. Accessed May 8, 2024. https://journals.uran.ua/eejet/article/view/1315.