Artika, I M., et al. “D-Optimal Mixture Design in Sonication-Maceration Solvent Extraction of Total Phenolic and Antibacterial Activity from Acanthus Ilicifolius Leaves: Http: www.doi.org 10.26538 Tjnpr V7i12.19”. Tropical Journal of Natural Product Research (TJNPR), vol. 7, no. 12, Dec. 2023, pp. 5495-00, https://tjnpr.org/index.php/home/article/view/3185.