00537naa#a2200169#i#450# EN\INFRA-M\bibl\2068 20250218194453.2 2587-9111 20140417b2014####ek#y0engy0150####ca RUS RU Neglect of Differentiation — Loss of Competitive Advantage (Example of Russian Producers of Fittings for NPP) Journal article Moscow INFRA-M Academic Publishing LLC. 2014 3 с. Journal article local Plakhotnikova E. naukaru.ru