Usman, B.A., A.U. Mani, A.D. El-Yuguda, and S.S. Diarra. 2008. “The Effect of Suplemental Ascorbic Acid on the Development of Newcastle Disease in Japanese Quail (Coturnix Coturnix Japonica) Exposed to High Ambient Temperature”. International Journal of Poultry Science 7 (4): 328–332. https://doi.org/10.3923/ijps.2008.328.332.