1990
B. Kamp, Rolot, D., Nditabiriye, D., Naveau, H., and Nyns, E. - J.,
“Etat et perspectives de la biomethanisation en milieu burundais. Pt. 1”,
Echos du COTA, pp. p. 15-20: fig., 1990.
B. Kamp, Rolot, D., Nditabiriye, D., Naveau, H., and Nyns, E. - J.,
“Etat et perspectives de la biomethanisation en milieu rural burundais. Pt. 2”,
Echos du COTA, pp. p. 20-24: fig., 1990.
W. F. Miller,
“Etude de l'impact de la DIEPA sur la schistosomiase”, vol. no. 6. World Health Organization, Community Water Supply & Sanitation Unit, Geneva, Switzerland, p. 25 p.: fig., photogr., tab., 1990.
J. Haratani, Webb, A. K., and C. Soyer, R.,
“Evaluacion final del proyecto de sistemas rurales de abastecimiento de agua y saneamiento ambiental Peru”, vol. no. 294. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. xvi, 105 p.: chart, map, photogr., tab., 1990.
P. Roark,
“Evaluation guidelines for community-based water and sanitation projects”, vol. no. 64. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. v, 80 p., 1990.
M. N. Rao,
“Evaluation of handpump programme in Karnataka”. Institute for Social and Economic Change, Bangalore, India, p. 123 p., 8 p. pl.: fig., tab., 1990.
M. N. Rao,
“Evaluation of handpump programme in Karnataka : executive summary”. Institute for Social and Economic Change, Bangalore, India, p. 11 p.: 1 map, 1990.
E. Kelengwe,
Evaluation of oxidation ditch technology with reference to the Limuru plant in Kenya, vol. no. 46. Tampere, Finland: Tampere University of Technology, Institute of Water and Environmental Engineeri, 1990, p. 60 p.: fig., tab.
J. B. Nyamwange,
“Evaluation of photovoltaic water pumping systems in Kenya : case study Chwele water supply scheme”. Tampere University of Technology, Dept. of Civil Engineering, Tampere, Finland, p. iv, 49 p. + appendices (28 p.) : 16 fig., tab., 1990.
P. Koenig,
“Evaluation of the drinking water supply and sanitation decade (1981-1990) in Latin America and the Caribbean - an outlook to the 1990s and beyond : report of the Collaborative Council of External Support Agencies”, in
Regional conference on water supply and sanitation : evaluation of the International Drinking Water Supply and Sanitation Decade and projections towards the year 2000, Puerto Rico, 4-6 September de 1990, 1990, p. ix, 27 p. + 15 p. annexes : tab.
Housing, Urban Development and Municipal Affairs -New Delhi, IN, HUDMA, Delhi, I. N. H. U. D. C. O. - New, and Human Settlements Management Institute -New Delhi, IN, HSMI,
“Evaluation study of low cost sanitation programme : Andhra Pradesh”. Housing and Urban Development Corporation, New Delhi, India, p. 9 p., 1990.
I. N. Operations Baroda, Delhi, I. N. H. U. D. C. O. - New, and Human Settlements Management Institute -New Delhi, IN, HSMI,
“Evaluation study of low cost sanitation programme : West Bengal”. Housing and Urban Development Corporation, New Delhi, India, p. 11 p., 1990.
U. Winblad,
“Excreta disposal and the rural poor”, in
Society, environment and health in low-income countries, 1990, pp. P. 87-93 : fig., tab.