TY  - BOOK
AU  - Chang, C. W.
TI  - Increasing food production through education, research and extension
U1  - 630.7 C29I 
PY  - 1963///
CY  - Rome
PB  - F.A.O.
KW  - AGRICULTURAL EXTENSION WORK
KW  - AGRICULTURAL EDUCATION
KW  - AGRICULTURAL RESEARCH
ER  -