Issa, R. Q. M., B. A. R. Ahmed, A. Rahim, and A. Rahim. “Identification of the Active Compounds in Alcoholic Extracts of Chard and Watercress and Their Use in Improving the Physical Properties of Freeze-Stored Beef Birch”. International Journal of Health Sciences, vol. 6, no. S10, Oct. 2022, pp. 241-53, doi:10.53730/ijhs.v6nS10.13427.