TY - BOOK AU - Murphy,Josette AU - Casley,Dennis J. AU - Curry,John J. TI - Farmers' estimations as a source of production data : : methodological guidelines for cereals in Africa T2 - World Bank technical paper, no. 132 Africa Depertment Series SN - 02537494 U1 - 100 SD:338.1 PY - 1991/// CY - Washington D. C. PB - The World Bank, KW - Agricultural estimating and reportin -- Africa KW - Agricultural surveys -- Africa -- Methodology KW - Grain--Africa -- Yields UR - http://documents1.worldbank.org/curated/en/313721468002132955/pdf/multi-page.pdf ER -