TY - BOOK ID - 131134356 TI - Farmers' estimations as a source of production data: methodological guidelines for cereals in Africa AU - Murphy, Josette AU - Casley, Dennis J. AU - Curry, John J. PY - 1991 SN - 0821317059 PB - Washington, D.C. DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:131134356 AB - ER -