1. Environmental gradients and species distribution in a transect at Omayed Egypt;Abdel-Razik;Journal of Arid Environments,1984
2. Phytomass and nutrient balance in forage in a Mediterranean arid ecosystem (Egypt);Abdel-Razik;Oecologia Plantarum,1988
3. Abdel-Salam, H. (1985). Grazing Capacity per Feddan at Omayed Grazing Area The Northern Coastal Zone Western to Alexandria. Ph.D. Thesis. University of Alexandria. 166 pp.
4. Abu-El-Naga, M. (1981). Nutrition of domestic animals. In: Regional Environmental Management of Mediterranean Desert Ecosystem of Northern Egypt. REMDENE Project report, University of Alexandria, 2 (1): 3·8.
5. Chemical Analysis of Ecological Materials;Allen,1974