Oktavianti, Diah, et al. “Java Plum (Syzygium Cumini) Leaves As a Potential Inhibitor of SARS-CoV-2 3- Chymotrypsine-Like Protease (3CLpro): Http: www.doi.org 10.26538 Tjnpr V7i8.8”. Tropical Journal of Natural Product Research (TJNPR), vol. 7, no. 8, Aug. 2023, pp. 3626-32, https://tjnpr.org/index.php/home/article/view/2401.