TY  - BOOK
AU  - Jabara, Cathy L
AU  - Ruttan, Vernon W, ed. series
AU  - Schultz, T Paul, ed. series
AU  - Stevens, Robert D
TI  - Agricultural development principles
SN  - 801835828
CY  - Baltimore
KW  - Agricultural machanisation
KW  - Agricultural progress
KW  - Agriculture - developing countries
KW  - Economic and social theory
ER  -