SANGKHARAK, K.; PICHID, N.; YUNU, T.; KINGMAN, P. Separation of Carotenes and Vitamin E from Palm Oil Mill Effluent Using Silica from Agricultural Waste as an Adsorbent. Walailak Journal of Science and Technology (WJST), [S. l.], v. 13, n. 11, p. 939–947, 2016. Disponível em: https://wjst.wu.ac.th/index.php/wjst/article/view/1815. Acesso em: 27 apr. 2024.