TY - BOOK AU - Mwanyoka,Iddi Ramadhani TI - Payment for water serveices as a mechanism for watershed management : : the case of the Sigi river catchment, Tanga, Tanzania AV - THS EAF TC405.T34M39 PY - 2005/// CY - Dar es Salaam PB - :University of Dar es Salaam KW - Watershed management KW - Tanzania KW - Tanga KW - Sigi river Catchment N1 - Includes bibliographical references Thesis: M. (WRE)-University of Dar es salaam ER -