TY - BOOK AU - Amir, Pervaiz AU - Knipscheer, Hendrik C. TI - Conducting on-farm animal research: procedures and economic analysis U1 - 636.08 21st ed. PY - 1989/// CY - Singapore PB - Winrock International Institute for Agricultural Development and International Development Research KW - Animal husbandry KW - Economic analysis KW - Farms KW - Research ER -