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Filters: Keyword is burkina faso yatenga region and Author is Critchley, W.  [Clear All Filters]
1991
W. Critchley, Looking after our land : soil and water conservation in dryland Africa. Oxford, UK: Oxfam Publishing, 1991, p. 84 p.: 21 fig., photogr.
1990
W. Critchley, “Looking after our land : new approaches to soil and water conservation in dryland Africa”. Oxfam, Oxford, UK, p. 4 films (22 min. each): VHS, 1990.
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