Hashimoto, N. , Nishida, H. , Ozawa, Y. , Iwatsubo, T. , Inumaru, J. (2009), 'Influence of Type of Burner on NOx Emission Characteristics from Combustion of Palm Methyl Ester', World Academy of Science, Engineering and Technology, Open Science Index 34, International Journal of Chemical and Molecular Engineering, 3(10), 570 - 574.