SIREGAR, ILHAM ARIFIN and Arif, Muhammad and Fitra, Fitra  (2015) PENGENDALIAN KUALITAS SPLIT PALM KERNEL FATTY ACID (SPKFA) PADA COLOUM SPLITTING PT. SARI DUMAI SEJATI (SDS) DI DUMAI.  Other thesis, Sekolah Tinggi Teknologi Dumai.