(NwOPROSY OHRANY TRUDA W SELXSKOM HOZQJSTWE (B/s - (NdXQ^KOW(B, (Nm(B. (Na(B.s; (NkAPUSTIN(B, (Nm(B.(Nis ((NkALININ (B:s (Nb(B. (NI(B.,s, 1974)
Keywords: (NsELXSKOE HOZQJSTWO (B- (NoHRANA TRUDAs