1990
C. de Jong-Boon,
“Environmental problems in Sudan : a reader”. Institute of Social Studies, Research and Project Office, The Hague, The Netherlands, p. 2 vol. (xxi, 819 p.): fig., map, tab., 1990.
K. E. U. N. E. P. - Nairobi,
“Handling, treatment and disposal of hazardous wastes”, vol. no. 18. UNEP, United Nations Environment Programme, Nairobi, Kenya, p. 36 p., 1990.
J. Maier, Surarith, S., Mansoor, A. A., and Tran, F. T.,
“Health effects on children due to sanitary conditions and practices in a low-income urban slum area”. Asian Institute of Technology, Environmental Engineering Division, Bangkok, Thailand, p. 14 p.: tab., 1990.
N. Mukherjee,
“People, water and sanitation : what they know, believe and do in rural India”, New Delhi, India: Rajiv Gandhi National Drinking Water Mission, 1990, p. 40 p.: fig., photogr.
M. Yusuf and Hussain, A. M. Zakir,
“Sanitation in rural communities in Bangladesh”,
Bulletin of the World Health Organization, pp. p. 619-624: tab., 1990.
1989
EPA -Cincinnati, OH, US,
“Decision-makers guide to solid waste management”. US Environmental Protection Agency (EPA), Cincinnati, OH, USA, p. X, 153 p.: fig., tab., drwngs, photogr., 1989.
R. Parlato and Leger, P.,
“Development of a national strategy for sewage disposal in Tunisia : phase II”, vol. no. 254. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. vii, 39 p., 1989.
T. Koning, Overkamp, J., and Deelstra, T.,
“Milieuaspecten van verstedelijking in ontwikkelingslanden : een verkenning”. International Institute for the Urban Environment (IIUE), Delft, The Netherlands, p. 204, viii p.: fig., tab., 1989.
C. P. Straub,
Practical handbook of environmental control. Boca Raton, FL, USA: CRC Press, 1989, p. 537 p.: fig., tab.
N. L. Novib - The Hague,
“Projectbeschrijving : krottenwijkverbetering met behulp van 2 voorbeeldprojecten”. Dutch Non-Governmental Organisation for International Development Cooperation, The Hague, The Netherlands, p. 17 p., 1989.
N. L. D. H. V. - Amersfoort, Arnhem, N. L. Euroconsul, YE, Y. Government, DGIS, D. General fo, and Maarssenbroek, N. L. Agro Visio,
“Rada water supply and sanitation project : final design report”. Euroconsult, Arnhem, The Netherlands, p. 2 vol. (viii, 138, ii, 161 p.): fig., map, tab., 1989.
G. P. M. Merinyo,
“A review of urban waste disposal systems in Tanzania”, presented at the 1989-01-01, Dar es Salaam, Tanzania, 1989, p. 15 p. + 4 p. ann.: tab.
K. T. Chin,
“Solid waste disposal service : the case of Penang island”, in
Urban management in Asia : issues and opportunities, 1989, pp. P. 141-145.
D. V. Deshpande,
“Waste management : a case study of Pune city”, in
Urban management in Asia : issues and opportunities, 1989, pp. P. 147-149.
USAID -Washington, DC, US and Ratmalana, L. K. National W.,
Wastewater treatment, Draft., vol. no. D7. Ratmalana, Sri Lanka: National Water Supply and Drainage Board, 1989, p. vi, 89 p.: fig., tab.
I. N. U. N. I. C. E. F. Reg Delhi and Delhi, I. N. Indian Mar,
“Water, environment and sanitation : a report on knowledge, attitude, and practices study in rural India : influencers”. UNICEF Regional Office for South Central Asia, New Delhi, India, p. 84 p.: fig., tab., 1989.
I. N. U. N. I. C. E. F. Reg Delhi and Delhi, I. N. Indian Mar,
“Water, environment and sanitation : report of quantitative phase of knowledge, attitudes and practises study in rural India : phase III”. UNICEF Regional Office for South Central Asia, New Delhi, India, p. 192, xvi p.: fig., tab., 1989.