Chuah, L.F. and Yusup, S. and Abd Aziz, A.R. and Bokhari, A. and Abdullah, M.Z. (2016) Cleaner production of methyl ester using waste cooking oil derived from palm olein using a hydrodynamic cavitation reactor. Journal of Cleaner Production, 112. pp. 4505-4514. ISSN 09596526