00561naa#a2200193#i#450# EN\\bibl\4908 20240420124955.6 2073-0462 20141225b2014####ek#y0engy0150####ca RUS RU THE MAIN DIRECTIONS OF TECHNICAL SERVICE DEVELOPMENT IN AGRICULTURE OF TATARSTAN Journal article Kazan Kazan state agrarian University 2014 7 с. Journal article local Khafizov Ramil Khafizov Kamil Adigamov Nail naukaru.ru