25th anniversary symposium
Subtitle: N'Djamena, 22nd May 1989.
Contributors: Lake Chad Basin Commission.
Publisher: Lake Chad Basin Commission
Published: 1990
Place of publication: [N'Djamena]
Language: eng
Number of pages: 29
Subjects: Lake Chad Basin Commission -- Congresses.; Water resources development -- Chad, Lake, Watershed -- Congresses.
Other titles: Twenty-fifth anniversary symposium.