“STUDIES ON THE MECHANICAL PRESSING CONDITIONS IN RUBBER SEED OIL (Hevea Brasiliensis) PRODUCTION FOR LEATHER TANNING”. Jurnal Teknologi Industri Pertanian 20, no. 2 (November 23, 2011). Accessed December 24, 2025. https://journal.ipb.ac.id/jurnaltin/article/view/3621.