Chuah, L.F. and Bokhari, A. and Yusup, S. and Klemeš, J.J. and Akbar, M.M. and Saminathan, S.  (2017) Optimisation on pretreatment of kapok seed (Ceiba pentandra) oil via esterification reaction in an ultrasonic cavitation reactor.  Biomass Conversion and Biorefinery, 7 (1).  pp. 91-99.  ISSN 21906815