Najib, Huthail, and Suliaman A. Al-Khateeb. “The Effect of Incorporating Different Levels of Locally Produced Canola Seeds (Brassica Napus, L.) In the Diet of Laying Hen”. International Journal of Poultry Science, vol. 3, no. 7, June 2004, pp. 490–496, https://doi.org/10.3923/ijps.2004.490.496.