EL-Sayed Kamel, A. ., W. . EL-Eraky, W. . Abdel Razik, and A. . E. Metwally. “Impact of Using Emulsifier With Different Calcium and Soybean Oil Levels on Broilers Performance and Minerals Deposition”. Journal of Advanced Veterinary Research, vol. 12, no. 5, Oct. 2022, pp. 618-33, https://advetresearch.com/index.php/AVR/article/view/1069.