Purbaningtias TE, Wiyantoko B, Kurniawati P, Sari MK. Decreasing in Acid Number of Patchouli Oil by Different Natural Adsorbent and Variation of Contact Time. EKSAKTA: J. Sci. Data Anal. [Internet]. 2014 Aug. 2 [cited 2024 May 1];14(1):27-33. Available from: https://jurnal.uii.ac.id/Eksakta/article/view/6019