Guidelines for designing sustainable systems may be found in B. Mollison, Permaculture: A Designera#39;s Manual (Australia: Tagari Press, NSW, 1989). economic return.18 When market forces cannot be relied on, governments The Relationshipanbsp;...
|Title||:||Environment and development in Africa|
|Author||:||Jonathan M. Blackwell, Roger N. Goodwillie, Richard Charles Webb, World Bank|
|Publisher||:||World Bank Publications - 1991|