TY - BOOK AU - Sahle, Gedion Tsegaye TI - Surface Water – Groundwater Interactions and Effects of Irrigation on Water and Soil Resources in the Awash Valley AV - SAH 2009 PY - 2009/// CY - Masters thesis PB - Addis Ababa University UR - http://thesisbank.jhia.ac.ke/7384/ ER -