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Filters: Keyword is excreta treatment and Author is Calvert, P.  [Clear All Filters]
2000
Calvert, P. and Nghien, P.S., Appraisal of the Vinsanres eco-san toilet demonstration project 1997-2000. Viet Nam, Ministry of Health, Hanoi, Viet Nam, p. 58 p. : tabs., 2000.