Biblio

K. E. U. N. E. P. - Nairobi y Water Research Commission -Pretoria, ZA, WRC, Freshwater under threat in Africa - vulnerability assessment of freshwater resources to environmental change. Nairobi, Kenya: UNEP, United Nations Environment Programme, 2009, p. xv, 319 p. : Boxes, fig., tab.

S. Africa. De ZA y Water Research Commission -Pretoria, ZA, WRC, Integrated water resource management plan guidelines for local authorities, vol. TT 304/07. Pretoria, South Africa: Water Research Commission, WRC, 2007, p. 156 p. : 4 fig., 2 tab.