Physicochemical characteristics of high free fatty acid crude palm oil Abd Al-Wali Japir, Jumat Salimon, Darfizzi Derawi, Murad Bahadi, Salah Al-Shuja'a and Muhammad Rahimi Yusop OCL, 24 5 (2017) D506 Published online: 07 August 2017 DOI: 10.1051/ocl/2017033