1. Abate T, Ebro A, Nigatu L (2012) Evaluation of rangeland in arid and semi-arid grazing land of Southeast Ethiopia. Int J Agric Sci 2:7
2. Abdel M, El hag MA, Bushara I, El-Hag FMA, Jadalla JB (2013) Effect of rangeland protection on nutritive value for range grazing small ruminants, North Kordofan, Sudan. Wudpecker J Agric Res 2(3):86–90
3. Allen VG, Batello C, Berretta EJ, Arzani H, Basiri M, Khatibi F, Chorbni G (2006) Nutritive value of some Zagros Mountain rangeland species. Small Rumin Res 65:128–135
4. Allen VG, Batello C, Berretta EJ, Hodgson J, Kothmann M, Li X, McIvor J, Milne J, Morris C, Peeters A, Sanderson M (2010) An international terminology for grazing lands and grazing animals. Grass Forage Sci 66:2–28
5. Angassa A (2007) The dynamics of savanna ecosystems and management in Borana, Southern Ethiopia. PhD Thesis. Norwegian University of Life Sciences, Aas, p 180