AL_Shimary, A. K., and Y. J. Jameel. “Effect of Folic Acid Supplementation to Lohmann Brown Layers Diet on Performance, Egg Quality and Folic Acid Content of Eggs and Serum”. International Journal of Health Sciences, vol. 6, no. S8, Nov. 2022, pp. 5725-31, doi:10.53730/ijhs.v6nS8.13576.