بررسی ریخت‌شناسی در سطح واریته گونه Acacia seyal var. seyal

Aref, I. M. 2000: Morphological characteristics of seeds and seedling growth of some native acacia trees in Saudi Arabia. Journal of King Saud University, Agricultural Sciences 12 (2), 31-95.

Aref, I. M. Elkhalifa, K. F., Al-Juhany, L. I. A 2003: Dendrological Key for Identification of Acacias Growing in Saudi Arabia and Northern Sudan. Journal of King Abdulaziz University, Meterology, Environment and Arid Land, Agriculture Sciences, vol. 14, 87-94.

Booth, F. E. M. and Wickens, G. E. 1988: Non-timber Uses of Selected Some Trees and Shrubs in Africa. F.A.O. Conservation Guide, 19: 8-12.

Chaudhary, S. A. 1983: Acacia and other Genera of Mimosoideae in Saudi Arabia. Ministry of Agriculture and Water, Saudi Arabia.

Collenette, S. 1985: An Illustrated Guide to the Flowers of Saudi Arabia. Scorpion publishing LTD., London. Pp. 286-291.

Duke, J. A. 1983 a: Medicinal Plants of the Bible. Trado-Medic Books, Owerri, NY.

El-Amin, H. M. 1990: Trees and Shrubs of the Sudan. Ithaca Press. 484 p.

Elkhalifa, K. F. 1996: Forest Botany. Khartoum University Press. Pp. 79-94.

Elkhalifa, K. F., Ibrahim, M. A.and ElGhazali G. 2003: Contribution to the Flora of the Gash River Delta, Eastern Sudan. Bulletin Research No. Agriculture Research Center, King Saud University.

Elkhalifa, K. F., Aref, I. M. 2004: Mrophological Studies on Forteen Acacia Seedlings. Bulletin Research No.. Agriculture Research Center, King Saud University.

Hall, J. B. and Mc Allan, A. 1993:  Acacia seyal: A Monograph. School of Agricultural and Forest Sciences, University of Wales, Bangor.

N.A.S. (1980a) Firewood Crops. Shrub and Tree species for Eneregy Production. National Academy of Sciences, Washington, DC.

Sahni, M. 1968: Important Trees of the Northern Sudan. Khartoum university Press. Pp. 40-63.

Thirakul, S. 1984: Manual of Dendrology. Quebec, Canada.