00510naa#a2200169#i#450# EN\\bibl\37696 20241017235525.4 2073-0462 20200602b2020####ek#y0engy0150####ca RU INFLUENCE OF MARKETING TOOLS ON IMPROVING PRODUCT QUALITY Journal article Kazan Kazan state agrarian University 2020 5 с. Journal article local Karimova Margarita Il'darovna Sagitova Nazira Salihovna naukaru.ru