S. . Rohman and A. Q. Aini, “Total Phenolics and Flavonoid Content of Maceration-based Purslane (Portulaca oleracea) Extract”, Nusantara Sci. Tech. Proc., vol. 2023, no. 33, pp. 421–424, May 2023, doi: 10.11594/nstp.2023.3367.