Tutun Nugraha, Yestine Yuliantina, & Supandi Suminta. (2011). ACTIVATION AND PURIFICATION OF BENTONITE FOR THE TREATMENT OF CRUDE PALM OILAS VEGETABLE OIL. Jurnal Sains Materi Indonesia, 12(2), 91–95. https://doi.org/10.17146/jsmi.2011.12.2.4596