Rith, M., Buenconsejo, B., Gonzaga, J.A., Gitano-Briggs, H.W., Lopez, N.S. and Biona, J.B.M. 2019. The combustion and emission characteristics of the diesel engine operated on a dual producer gas-diesel fuel mode. Engineering and Applied Science Research. 46, 4 (Dec. 2019), 360–370.