A. El-Deek, S. M. Hamdy, Y. Attia, and A. El-Shahat, “Guava By-Product Meal Processed in Various Ways and Fed in Differing Amounts as a Component in Laying Hen Diets”, Int. J. Poult. Sci., vol. 8, no. 9, pp. 866–874, Aug. 2009, doi: 10.3923/ijps.2009.866.874.