RESEARCH ARTICLE Vol. 23 (3) December 2011, p. 1185-1192 PRE-TREATMENT OF PALM OLEIN-DERIVED USED FRYING OIL AS A FEEDSTOCK FOR NON-FOOD APPLICATIONS LOH Soh Kheang* ; FUEZIAH Subari ** ; SHARIFAH AISHAH Syed A Kadir** FULL TEXT | DOWNLOAD PDF