Wagner, E. G., & Lanoix, J. N. (1959). Water supply for rural areas and small communities (1.). World Health Organisation.
Chicago Edition CitationWagner, Edmund G., i J N. Lanoix. Water Supply for Rural Areas and Small Communities. 1. Geneva: World Health Organisation, 1959.
Cita MLAWagner, Edmund G., i J N. Lanoix. Water Supply for Rural Areas and Small Communities. 1. World Health Organisation, 1959.
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