Bashir, Saeed Y., National Water and Sanitation Authority, Wadi Hadramout, Seiyun Republic of Yemen.
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Sultan Qaboos University Journal for Science [SQUJS] مجلد 6 عدد 2 (2001) - Articles
Problems of Bacteriological Pollution in Water Wells in Wadi Hadramout Water Project
الملخص PDF (English)