Suhaib Ibrahim Alkhamaiseh, Muhammad Taher, Farediah Ahmad, Deny Susanti, and Solachuddin Jauhari Arief Ichwan. 2011. “Antioxidant and Cytotoxic Activities of Calophyllum Rubiginosum”. International Journal of Phytomedicine 3 (2):157-63. https://ijp.arjournals.org/index.php/ijp/article/view/92.