1989
W. - J. Ng,
“Sequencing batch reactor (SBR) treatment of wastewaters”, vol. no. 28. Environmental Sanitation Information Center, ENSIC, Bangkok, Thailand, p. 54 p.: fig., tab., 1989.
P. Boocock,
“Simple village gravity water supply”, in
Water, engineering and development in Africa : proceedings of the 15th WEDC Conference, Kano, Nigeria, 3-7 April 1989, 1989, pp. P. 117-120: fig., tab.
Cowater International -Ottawa, Ont., CA, Lahore, P. K. N. E. S. P. A. K. -, and Wardrop-Acres -Winnipeg, Man, CA,
“Sind : strategic provincial investment plan and project preparation for rural water supply, sanitation and health : inception report”. Wardrop-Acres, Winnipeg, Man, Canada, p. ca. 200 p.: fig., tab., 1989.
Cowater International -Ottawa, Ont., CA, Lahore, P. K. N. E. S. P. A. K. -, and Wardrop-Acres -Winnipeg, Man, CA,
“Sindh [Sind] : strategic provincial investment plan and project preparation for rural water supply, sanitation and health : draft investment plan”. Wardrop-Acres, Winnipeg, Man, Canada, p. vi, 99 p.: fig., tab., 1989.
D. B. Edwards, Larrea, O. R., and Gonzalez, N. L.,
“Sistema integral de prestacion de servicos de salud a las zonas rurales del Ecuador : evaluacion final”, vol. no. 264. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. ca. 90 p., 1989.
IRC International Water and Sanitation Centre, The Hague, NL and National Environmental Engineering Research Institute -Nagpur, IN, NEERI,
“Slow sand filtration : phase IV final report”. National Environmental Engineering Research Institute, NEERI, Nagpur, India, p. 118 p.: fig., tab., 1989.
S. Vigneswaran, Bhattarai, K. K., and R. Tiwaree, S.,
“Small community water supply : an illustrative manual”. Asian Institute of Technology, Environmental Engineering Division, Bangkok, Thailand, p. vi, 56 p.: fig., 1989.
K. E. Kefinco - Kakamega, FI, F. Ministry o, Helsinki, F. I. Kefinco -, and KE, K. Ministry o,
“Socio economic survey report North Idakho location”. Kefinco, Helsinki, Finland, p. 40 p., 1989.
D. C. Das and Pandey, C. M.,
“Soil conservation for perspective water management, environment and land productivity : paper presented at the national seminar on new perspectives in water management, New Delhi”. India, Ministry of Agriculture, Soil and Water Conservation Division, New Delhi, India, p. 21 p. (A3): fig., tab., 1989.
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.
U. Pradesh (S. IN,
“Spot survey sanitation activities in the rural areas of Uttar Pradesh”. India (Uttar Pradesh), Directorate of Panchayati Raj, Lucknow, India, p. 30 p.: map, tab., 1989.
D. B. Bhatt,
“Status report of pre-review mission on the Netherlands Government supported Rural Water Supply Projects in Kerala State, August 24 - September 8, 1989”. Netherlands, Ministry of Foreign Affairs, DGIS, The Hague, The Netherlands, p. 143 p.: fig., map., tab., 1989.