The fairness "dilemma" in sharing the Nile waters : what lessons from the Grand Ethiopian Renaissance Dam for international law? / by Zeray YihdegoThe fairness 'dilemma' in sharing the Nile waters : what lessons from the Grand Ethiopian Renaissance Dam for international law? / by Zeray YihdegoImplementing international watercourses law through the WEF nexus and SDGs : an integrated approach illustrated in the Zambezi river basin / by Zeray Yihdego, Julie Gibson