TY - BOOK AU - Murphy,Josette AU - Casley,D.J. AU - Curry,John J. ED - World Bank TI - Farmers' estimations as a source of production data: methodological guidelines for cereals in Africa T2 - World Bank technical paper SN - 0821317059 PY - 1991/// CY - Washington, D.C. PB - The World Bank KW - Agricultural estimating and reporting KW - Africa KW - Agricultural surveys KW - Methodology KW - Grain KW - Yields N1 - Includes bibliographical references (p. [69]-71) ER -