00553naa#a2200193#i#450# EN\\bibl\4854 20240910072704.2 2073-0462 20141225b2014####ek#y0engy0150####ca RUS RU METHODOLOGICAL PROBLEMS OF INTANGIBLE ASSETS IN BUSINESS Journal article Kazan Kazan state agrarian University 2014 3 с. Journal article local Zakirov Zufar Fakhretdinova Elvira Klychova Guzaliya Salihovna zh-szf.ru