Biblio

L. M. Austin, Duncker, L. C., Matsebe, G. N., Phasha, M. C., and Cloete, T. E., Ecological sanitation : literature review, vol. TT 246/05. Pretoria, South Africa: Water Research Commission, WRC, 2005, p. ix, 105 p. : fig., tab.

L. C. Duncker, “Hygiene awareness workshop”, vol. no, TT 145/00. Water Research Commission, WRC, Pretoria, South Africa, p. viii, 48 p. + 16 p. annexes, 2001.

L. C. Duncker, Hygiene awareness for rural water supply and sanitation projects, vol. no. 819/1/00. Pretoria, South Africa: Water Research Commission, WRC, 2000, p. xiv, 50 p. + 32 p. appendixes : 14 fig., 3 maps.