National systems of water administration

Manylion Llyfryddiaeth
Awdur Corfforaethol:	United Nations. Dept. of Economic and Social Affairs
Fformat:	Llyfr
Iaith:	English
Cyhoeddwyd:	New York United Nations 1974.
Cyfres:	[Document] - United Nations ; ST/ESA/17
Pynciau:	Water resources development. Water resources development > Case studies.