Integrated management of water resources in the valley of Oued-Souf (Algeria): Issues fitness for a new strategySalim Khechana، El-Fadel Derradji، A. DerouicheJournal of Fundamental and Applied Sciencesالمجلّد 2، (2)، الصفحات 2252015مقال وصول مفتوحعدّة مصادر 1