Febriana, I. D., H. S. Kusuma, S. Gala, dan M. Mahfud. The Effect of Temperature on Extraction of Swietenia Mahagoni by Ultrasound–assisted Extraction (UAE) Method. Vol. 16, no. 1, Juni 2016, hlm. 44-49, https://jurnal.ugm.ac.id/v3/AJChE/article/view/8907.