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Biblio

Found 5 results
Filters: Keyword is design and Author is National Water Supply and Drainage Board -Ratmalana, LK  [Clear All Filters]
1989
USAID -Washington, DC, US y 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.
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.
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