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2. K.V. Radha, G. Manikandan, Novel Production Of Biofuels From Neem Oil, (2011) Department of chemical Engineering, Anna University, Chennai, India.
3. Jon H. Van Gerpen, Charles L. Peterson, Carrol E. Goering, Biodiesel: An Alternative Fuel for Compression Ignition Engines, for presentation at the [2007] Agricultural Equipment Technology Conference Louisville, Kentucky, USA 11-14 February 2007.
4. Asadullah Al Galib and Md. Roknuzzaman, March 2009 ‘Biodiesel from Jatrofa oil as an alternative fuel for Diesel Engine’, KUET, Khulna, Bangladesh.
5. M. Shahin-uz-zaman1, M. Ashrafuzzaman, M. Shahidul Haque and Lutfun Nahar Luna, 2007 ‘In vitro clonal propagation of the neem tree (Azadirachta indica A. Juss.)’, BAU, Bangladesh.