(NtEORIQ I PRAKTIKA KOOPERATIWNOGO DWIVENIQ (B/s - (NnIKOLAEW(B, (Na(B.(Na(B.s ((NmOSKWA (B:s (NpETROGRAD(B,s, 1919)
(Nt(B. 1, (NWYP(B. 1 ( 1919, 115 (NS(B.)s (Nt(B. 1, (NWYP(B. 2 ( 1909, 262 (NS(B.)s
Keywords: (NkOOPERACIQs