Livestock farming systems : product quality based on local resources leading to improved sustainability edited by Christopher B. Barrett, Frank Place, and Abdillahi A. Aboud. Barrett, Christopher B. (Christopher Brendan) Place, Frank, Dr. Aboud, Abdillahi A. International Centre for Research in Agroforestry. Agricultural resources Africa Management. S472.A1 N38 2002 636 21 LIV Includes bibliographical references (p. 297-329). Wallingford, Oxon, UK ; New York : CABI Pub. in association with the International Centre for Research in Agroforestry, c2002. c2002. 2002 Text xv, 335 p. : http://www.loc.gov/catdir/toc/fy033/2001043833.html http://www.loc.gov/catdir/enhancements/fy0612/2001043833-d.html eng Africa