TY - BOOK AU - Amir,Pervaiz AU - Knipsheer,Hendrick C. TI - Conducting on - farm animal research: procedures and economic analysis AV - S540.O53 A45 1989 PY - 1989/// CY - [Washington] PB - Winrok International Institute for Agricultural Development;Ottawa, International Development Research Centre KW - Domestic animals N1 - Includes bibliographical references [p. 211-217] ER -