Saragih , Hendry T.S.G., et al. “Histological Analysis of Breast Muscle Growth in Young Hybrid Chickens in Response to Different Dietary Energy-Protein Ratios”. International Journal of Poultry Science, vol. 18, no. 12, Nov. 2019, pp. 604–609, https://doi.org/10.3923/ijps.2019.604.609.