Rith, M., Buenconsejo, B., Gitano-Briggs, H., & Manuel M. Biona, J. B. (2020). Design and fabrication of a low-cost research facility for the study of combustion characteristics of a dual producer gas-diesel engine. Engineering and Applied Science Research, 47(4), 447–457. retrieved from https://ph01.tci-thaijo.org/index.php/easr/article/view/240007