Maarisit, Wilmar, et al. “Anti-Mycobacterial Activity of Polycarpine and Polycarpaurine A from an Indonesia Marine Ascidian Polycarpa sp.: Http: www.doi.org 10.26538 Tjnpr V7i9.31”. Tropical Journal of Natural Product Research (TJNPR), vol. 7, no. 9, Oct. 2023, pp. 4055-8, https://tjnpr.org/index.php/home/article/view/2663.