Ruminant production in the dry subtropics : constraints and potentials : proceedings ot he international symposium on the constraints and possibilities of ruminant production in the dry subtropics (MOA of Egypt, ESAP, EAAP, FAO, ICAMAS, WAAP), Cairo, Egypt, 5-7 november 1988
International Symposium on the Constraints and Possibilities of Ruminant Production in the Dry Subtropics
Bok Engelsk 1989