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Results 181 - 190 of 282: (Number of pages: 29)

181. Quality of drinking water * (1994)
     Wethasinghe, C
182. Rain water harvesting for domestic use in Sri Lanka * (1999)
     Ariyananda, Tanuja
183. Rehabilitation of Walawe irrigation system * (1994)
     Sellahewa, A
184. Removal Mechanisms and Efficiencies of Selected Heavy Metals in Constructed Wetlands * (2006)
     Jayaweera, M W
185. Research and development on traditional water lifting devices: Endless piston water pump * (2006)
     Wijetunge, Janaka J
186. Restoration of a watershed, a case study at HuluGanga * (2006)
     Illangasinghe, W K
187. Rural water supply and sanitation programme: Matale and Polonnaruwa districts: implementation phase: report on the water seal pans used with the squatting plates in the village sanitation programme (1987)
     Kampsax-Kruger; DANIDA Danish International Development Agency; Sri Lanka, National Water Supply and Drainage Board
188. Rural water with community involvement * (2002)
     Ubaiddha, S
189. Sanitary aspects of canal project * (1994)
     Fernando, M S
190. Sarvodaya integrated approach to water/sanitation * (1994)
     Ariyaratne, V.S.

 

 

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