Radzi, S. , Mustafa, W. , Othman, S. , Noor, H. (2011). 'Green Synthesis of Butyl Acetate, A Pineapple Flavour via Lipase-Catalyzed Reaction'. World Academy of Science, Engineering and Technology, Open Science Index 59, International Journal of Chemical and Molecular Engineering, 5(11), 932 - 935.