Transesterification Reaction on Biodiesel Production from Bintaro Oil (Cerbera mangas L.) from Moluccas Island I. W. Sutapa, A. Bandjar, H. Tehubijuluw, I. S. Ely, A. Kamari, C. Baskar, I. N. Sudiana, L. O. Kadidae International Journal of Acta Material Vol. 1 No. 2 2025 DOI 10.62749/ijactmat.v1i2.15