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Biblio

Found 21 results
Filters: Author is National Water Supply and Drainage Board -Ratmalana, LK  [Clear All Filters]
1989
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.
1988
L. K. National W. Ratmalana, Ground water, vol. no. D4. Ratmalana, Sri Lanka: National Water Supply and Drainage Board, 1988, p. ii, 53 p.: fig.
L. K. National W. Ratmalana, Guidelines for latrine selection and construction, vol. no. D6. Ratmalana, Sri Lanka: National Water Supply and Drainage Board, 1988, p. iv, 61 p.: fig., tab.
L. K. National W. Ratmalana, LK, K. (Region)., and Eschborn, D. E. G. T. Z. -, VLOM pump OTC - system. German Agency for Technical Cooperation, Eschborn, Germany, p. 15 p.: photogr., 1988.
1987
L. K. National W. Ratmalana, [.. title in Sinhalese ..] [Analyzing a water sample]. National Water Supply and Drainage Board, Ratmalana, Sri Lanka, p. 15 p.: fig., 1987.
L. K. National W. Ratmalana, [.. title in Sinhalese ..] [Conducting sanitary surveys to determine acceptable surface water sources]. National Water Supply and Drainage Board, Ratmalana, Sri Lanka, p. 19 p., 1987.
L. K. National W. Ratmalana, [.. title in Sinhalese ..] [Constructing pits for privies]. National Water Supply and Drainage Board, Ratmalana, Sri Lanka, p. 20 p.: fig., tab., 1987.
L. K. National W. Ratmalana, [.. title in Sinhalese ..] [Determining the need for water treatment]. National Water Supply and Drainage Board, Ratmalana, Sri Lanka, p. 9 p., 1987.
L. K. National W. Ratmalana, [.. title in Sinhalese ..] [Means of disease transmission]. National Water Supply and Drainage Board, Ratmalana, Sri Lanka, p. 16 p.: fig., 1987.
L. K. National W. Ratmalana, [.. title in Sinhalese ..] [Methods of improving environmental health conditions]. National Water Supply and Drainage Board, Ratmalana, Sri Lanka, p. 15 p.: fig., 1987.
L. K. National W. Ratmalana, [.. title in Sinhalese ..] [Planning how to use sources of surface water]. National Water Supply and Drainage Board, Ratmalana, Sri Lanka, p. 11 p.: fig., 1987.
1986
L. K. National W. Ratmalana, A people's achievement : pure water for Haldummulla. National Water Supply and Drainage Board, Colombo, Sri Lanka, p. video (29 min.): VHS, Pal, 1986.
L. K. National W. Ratmalana, [.. title in Sinhalese ..] [Evaluating rainfall catchments]. National Water Supply and Drainage Board, Ratmalana, Sri Lanka, p. 13 p.: fig., 1986.
L. K. National W. Ratmalana, [.. title in Sinhalese ..] [Taking a water sample]. National Water Supply and Drainage Board, Ratmalana, Sri Lanka, p. 14 p.: fig., 1986.
0
L. K. National W. Ratmalana, Bibliography on water supply and sanitation. National Water Supply and Drainage Board, Mount Lavinia, Sri Lanka.
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