THE REQUIREMENT TO IMPROVE CONDITION OF PATCHOULI OIL BUSINESS SYSTEM BY FUZZY APPROACH. Jurnal Teknologi Industri Pertanian, [S. l.], v. 20, n. 1, 2011. Disponível em: https://journal.ipb.ac.id/jurnaltin/article/view/3148. Acesso em: 21 jun. 2026.