Ratnakara Rao และผู้แต่งคนอื่นๆ. (2008) Experimental Investigations on the Mahua Fuelled C.I Engine with Different Oxygenates. <i>International Journal of Renewable Energy</i>, <i>Vol. 3</i>(No.1), pp 63-70.Ratnakara Rao และผู้แต่งคนอื่นๆ. "Experimental Investigations on the Mahua Fuelled C.I Engine with Different Oxygenates". International Journal of Renewable Energy Vol. 3 (2008):pp 63-70.Ratnakara Rao และผู้แต่งคนอื่นๆ. Experimental Investigations on the Mahua Fuelled C.I Engine with Different Oxygenates. School of Renewable Energy Technology:ม.ป.ท. 2008.