TY JOUR TI THE ESSENCE AND PECULIARITIES OF COOPERATIVE ENTREPRENEURSHIP IN THE AGRICULTURAL SPHERE KW cooperative entrepreneurship KW efficiency KW food security KW market KW agrarian sector KW agricultural cooperative JO Vestnik of Kazan State Agrarian University AU Khafizov, D.F. AU Shamsutdinova, M.R. AU Khismatullin, M.. AU Mukhametgaliev, F.N. AU Asadullin , N.. AU Gaynutdinov, I.G. PY 2022 IS 17 PB Kazan state agrarian University