00475naa#a2200169#i#450# EN\\bibl\13058 20241201052605.7 2071-2367 20160829b2016####ek#y0engy0150####ca RUS RU Using marketing research in assessment of efficiency of enterprise commodity policy Journal article Moscow RANEPA 2016 7 с. Journal article local Lyapina Innara naukaru.ru