1. Small ruminant management systems in Africa and improvement to bring about increased productivity;Adu,1988
2. Appropriate browse and herbaceous legumes for smallholder production in west and central Africa;Agishi,1988
3. The role of extension services in the improvement of small ruminant management in west and central Africa;Ajala,1988
4. Animal genetic resources and sustainable livelihoods;Anderson;Ecol. Econ.,2003
5. Sustainable mutton production in sheep breeds of India;Arora,2002