D. Lukman, H. . Pisestyani, H. . Latif, E. . Sudarnika, and M. . Bachrum, “Postmortem Changes in pH, Color, Drip Loss, and Non-Protein Nitrogen in Beef Liver and Lungs During Storage in Refrigerator”, Acta Vet Indones, vol. 8, no. 3, pp. 56–63, Nov. 2020, doi: 10.29244/avi.8.3.56-63.