Safira, Laily Rizki, Asri Widyasanti, and Sarifah Nurjanah. 2019. “Effects of Solvent Volume Ratio on Patchouli-Alcohol Crystallization in Patchouli Oil (Pogostemon Cablin Benth) With Cooling Crystallization Method”. Jurnal Ilmiah Rekayasa Pertanian Dan Biosistem 7 (2):239-48. https://doi.org/10.29303/jrpb.v7i2.142.