Suwari, Suwari, Herry Kotta, and Yohanes Buang. 2018. “Extraction and Characterization of Crop Oil from Seed Kernels of Feunkase (Thevetia Peruviana) As Feedstock for Biodiesel Production”. Journal of Applied Chemical Sciences 5 (2), 459-63. https://ejurnal.undana.ac.id/index.php/jacs/article/view/2004.