Harper, D., & Brown Tony. (1970). Sustainable management of tropical catchments. John Wiley and sons.
Chicago Style aipamenaHarper, David, and Brown Tony. Sustainable Management of Tropical Catchments. New York: John Wiley and sons, 1970.
MLA aipamenaHarper, David, and Brown Tony. Sustainable Management of Tropical Catchments. John Wiley and sons, 1970.
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