Bekele, F.; Adnoy, T.; Gjoen, H.; Kathle, J.; Abebe, G. Production Performance of Dual Purpose Crosses of Two Indigenous With Two Exotic Chicken Breeds in Sub-Tropical Environment. Int. J. Poult. Sci. 2010, 9 (7), 702–710. https://doi.org/10.3923/ijps.2010.702.710.