Tham khảo Sông_Sénégal

  1. ↑ Hydrographic data for Dagana, Senegal 1903-1974, Unesco International Hydrological Programme, truy cập 24 tháng 5 năm 2012.
  2. 1 2 3 SENEGAL-HYCOS: Renforcement des capacités nationales et régionales d’observation, transmission et traitement de données pour contribuer au développement durable du bassin du Fleuve Sénégal (Document de projet préliminaire) (PDF) (bằng tiếng Pháp), Système Mondial d’Observation du Cycle Hydrologique (WHYCOS), 2007.
  3. ↑ UNH/GRDC Composite Runoff Fields V 1.0 data for Dagana.
  4. ↑ Freshwater Ecoregions of the World (2008). Senegal-Gambia. Lưu trữ 2011-10-05 tại Wayback Machine Truy cập 2 tháng 5 năm 2011.

Tài liệu tham khảo

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