Soetikno, J. S., Rini Handayani, and R. D. Rahayu. “Assay for Antimicrobial Activity of Mangosteen Rind Extracts”. Journal of Innovations in Pharmaceutical and Biological Sciences, vol. 3, no. 1, Jan. 2016, pp. 54-60, https://jipbs.com/index.php/journal/article/view/113.