Agricultural and livestock extension /
Hawkins, H. S.
Agricultural and livestock extension / - Canberra : Australian Universities International Development Program, 1982 - 2v. ; 24 cm.
0642888922
Livestock
Agricultural extension work
Agricultural and livestock extension / - Canberra : Australian Universities International Development Program, 1982 - 2v. ; 24 cm.
0642888922
Livestock
Agricultural extension work
