00508naa#a2200181#i#450# EN\INFRA-M\bibl\342 /en/manage/index 20250411171633.5 2587-9103 20130627b2013####ek#y0engy0150####ca RUS RU Business telephone communications Journal article Moscow INFRA-M Academic Publishing LLC. 2013 3 с. Journal article local Dubovskaya O. test.editorum.ru /en/manage/index