00520naa#a2200181#i#450# EN\\bibl\12581 20241229031717.7 2073-0462 20160705b2016####ek#y0engy0150####ca RUS RU LABOUR POTENTIAL OF AGRICULTURE OF THE REPUBLIC OF TATARSTAN Journal article Kazan Kazan state agrarian University 2016 3 с. Journal article local Shagivaliev Lenar Fayzrakhmanov Dzhaudat zh-szf.ru