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Filters: Keyword is hand pumps and Author is Singh, S.N.  [Clear All Filters]
Singh, S.N., «Community based hand pump maintenance case study : State of Bihar», in [Various papers distributed at the National Workshop on Operation and Maintenance of Rural Water Supply and Sanitation Systems, New Delhi, September 25-27, 1996], 1996, p. 3 p. 1 fig., 1 map.