ACHMAD, AZI PERTIWI and Mesra, Trisna and Fitra, Fitra  (2016) PERHITUNGAN WAKTU STANDAR UJI SAMPEL REFINED BLEACHED DEODORIZED PALM OIL (Studi Kasus: PT Wilmar Nabati Indonesia).  Other thesis, Sekolah Tinggi Teknologi Dumai.