Sujarwanta, Rio Olympias, et al. “Increased Inhibition of Angiotensin Converting Enzyme (ACE) Obtained from Indonesian Buffalo Meat Protein Using SEP-PAK Plus C18”. Pakistan Journal of Nutrition, vol. 17, no. 9, Aug. 2018, pp. 434–440, https://doi.org/10.3923/pjn.2018.434.440.