00597naa#a2200193#i#450# EN\INFRA-M\bibl\6506 20240821121449.3 1998-0701 20150717b2015####ek#y0engy0150####ca RUS RU Research of Interrelation of Phenomena and Concepts for Risk and Uncertainty in Economic Activity and Project Management Journal article Moscow INFRA-M Academic Publishing LLC. 2015 5 с. Journal article local Titova N. Titov S. Titarenko R. naukaru.ru