Kinung hi, S. M.; Tilahun, G.; Hafez, H. M.; Woldemeskel, M.; Kyule, M.; Grainer, M.; Baumann, M. P. Assessment of Economic Impact Caused by Poultry Coccidiosis in Small and Large Scale Poultry Farms in Debre Zeit, Ethiopia. Int. J. Poult. Sci. 2004, 3 (11), 715–718. https://doi.org/10.3923/ijps.2004.715.718.