Wheeler, Kevin G.; Basheer, Mohammed; Mekonnen, Zelalem T.; Eltoum, Sami O.; Mersha, Azeb; Abdo, Gamal M.; Zagona, Edith A.; Hall, Jim W.; Dadson, Simon J. (2016-06-06). "Cooperative filling approaches for the Grand Ethiopian Renaissance Dam". Water International. 41 (4): 611–634. doi:10.1080/02508060.2016.1177698. ISSN0250-8060.
Wheeler, Kevin G.; Basheer, Mohammed; Mekonnen, Zelalem T.; Eltoum, Sami O.; Mersha, Azeb; Abdo, Gamal M.; Zagona, Edith A.; Hall, Jim W.; Dadson, Simon J. (2016-06-06). "Cooperative filling approaches for the Grand Ethiopian Renaissance Dam". Water International. 41 (4): 611–634. doi:10.1080/02508060.2016.1177698. ISSN0250-8060.