The Niger river basin : A vision for sustainable management / Inger Andersen, Ousmane Dione, Jarosewich-Holder Martha et al. ; Ed. by Katherin George Golitzen ; The World Bank. - Washington : World Bank, [2005]. - xvi, 144p. : tab. ; 22cm.см.. - (Directions in development). - Bibliogr.: p. 132-140. - ISBN 0-8213-6203-8 : [n.p.][MFN: 8864]