TY  - BOOK
AU  - Murphy,Losette
TI  - Farmers' estimations as a source of production data : : methodological guidelines for cereals in Africa
T2  - World Bank technical paper, no. 132
U1  - 100 SD:338.1  
PY  - 1991///
CY  - Washington, D.C.
PB  - World Bank, 
KW  - Africa
KW  - Agricultural surveys--Methodology
KW  - Grain--Yields
KW  - Agricultural estimating and reporting
ER  -