Abou-Emera , O.K., et al. “Evaluation of Genetic Diversity of Naked Neck and Frizzle Genotypes Based on Microsatellite Markers”. International Journal of Poultry Science, vol. 16, no. 4, Mar. 2017, pp. 118–124, https://doi.org/10.3923/ijps.2017.118.124.