00567naa#a2200193#i#450# EN\RIOR\bibl\7064 20250505234635.1 2500-1469 20150831b2015####ek#y0engy0150####ca RUS RU Improving risk management in the construction industry of Krasnodar region Journal article Moscow Publishing Center RIOR 2015 9 с. Journal article local Kalitko Svetlana Gayduk Vladimir Ivanovich Astakhova Elena riorpub.com