Muslich., Prayoga Suryadharma, and HayuningtyasR. Indri R. 2010. “Kinetics Of Isothermal Adsorption Of Β-Carotene From Crude Palm Olein Using Bentonite”. Jurnal Teknologi Industri Pertanian 19 (2). https://journal.ipb.ac.id/index.php/jurnaltin/article/view/1078.