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Filters: Keyword is rural supply systems and Author is Sarvodaya Rural Technical Services -Moratuwa, LK  [Clear All Filters]
1994
Helvetas -Nugegoda, LK y Sarvodaya Rural Technical Services -Moratuwa, LK, «Design, construction and standardisation of gravity water supply systems in rural villages in Sri Lanka». Helvetas, Swiss Association for Development and Cooperation, Nugegoda, Sri Lanka, p. 77 p. + annexes : tech drwngs., 1994.