T. J. Stewart, Joubert, A. R., et Liu, D.,
« Group decision support methods to facilitate participative water resource management », vol. no. 863/1/01. Water Research Commission, WRC, Pretoria, South Africa, p. x, 134 p. : 38 fig.; 21 tables, 2001.
C. D. Clark, Russell, C. S., Vaughan, W. J., Rodriguez, D. J., et Darling, A. H.,
Investing in water quality : measuring benefits, costs and risks. Washington, DC, USA: Inter-American Development Bank, 2001, p. xii, 333 p. : fig., tabs.
U. Frohlich,
Management guide, vol. no. 1. St. Gallen, Switzerland: SKAT (Swiss Centre for Development Cooperation in Technology and Management), 2001, p. 235 p. : fig., tab.