DETERMINATION OF NANOFILTRATION RESISTANSES USING SERIES RESISTANCE MODEL AT SEPARATION OF BETA-CAROTENE AND ALPHA-TOCOPHEROL PALM OIL IN ISOPROPANOL - Erliza Noor, Sapta Raharja, Uki Ismiyati, Prayoga Suryadarma dan (Jurnal Teknologi Industri Pertanian, 2011)