TY  - BOOK
AU  - Rhoades,Robert E.
TI  - The art of the informal agricultural survey: Robert E. Rhoades
PY  - 1991///
CY  - Ibadan
PB  - IITA
KW  - BI-BuBU
KW  - Agriculture. Etude informelle
N1  - Bibliogr
ER  -