Japir, A. A., J. Salimon, D. Derawi, B. H. Yahaya, M. S. Jamil, and M. R. Yusop. “Optimization of Methanol Crystallization for Highly Efficient Separation of Palmitic Acid from Palm Fatty Acid Mixture Using Response Surface Methodology”. Grasas Y Aceites, vol. 68, no. 4, Dec. 2017, p. e224, doi:10.3989/gya.0552171.