00580naa#a2200169#i#450# EN\\bibl\997 20241014190057.1 1992-5980 20131230b2013####ek#y0engy0150####ca RUS RU Manipulation of intercourse elements as a way to optimize the pragma-semantic field of modern business english communication: functional-synergetic aspect Journal article rostov on don Don state technical University 2013 5 с. Journal article local Khramchenko Dmitriy naukaru.ru