Perdamaian, I.V. Utama, A.B.I., and B.S. Daryono. 2018. “Plumage Uniformity, Growth Rate and Growth Hormone Polymorphism in Indonesian Hybrid Chickens”. International Journal of Poultry Science 17 (10): 486–492. https://doi.org/10.3923/ijps.2018.486.492.