TY - BOOK AU - Hanai,Emmanuel Ephraim TI - Nitrogen transformation in a coupled high rate-water hyacinth ponds AV - THS EAF TD746.5.H36 PY - 2006/// CY - Dar es Salaam PB - Univesity of Dar es Salaam KW - Nitroigen KW - Water hyacinth KW - Ponds KW - Environmental engineering N1 - Includes bibliographical references Thesis: M.Sc. (Environmental Engineering) University of Dar es Salaam ER -