518
A. Vushe
Current Studies on Science, Technology And Innovation. http://www.unctad.org/en/Docs/dtlsti
ct20094_en.pdf. Accessed 22 July 2018
Wessels D, Mushongohande M, Potgeiter M, Gardiner A, Ghazoul J, Pearce J, Stack J, Frost P,
Kozanayi W, Gondo T, Kurebgaseka N, Dorward A, Poole N, Taylor F, Gardiner A, Hope R,
Kozanayi W, Gondo T, Robert K (2006) Mopane woodlands and the mopane worm: enhancing
rural livelihoods and resource sustainability. Final Technical Report
Wessels DCJ, Van Der Waal C, De Boer WF (2007) Induced chemical defences in Colophospermum
mopane trees. Afr. J. Range Forage Sci. 24:141–147
World Bank (2005) Shaping the future of water for agriculture: a sourcebook for investment
in agricultural water management. https://openknowledge.worldbank.org/handle/10986/7298.
Accessed 11 July 2018
World Bank (2006) Conjunctive use of groundwater and surface water. In: Agricultural & rural
development notes. http://siteresources.worldbank.org/INTARD/Resources/Notes_Issue6_web.
pdf. Accessed 12 July 2018