Osarobo O. Ighodaro and Ehrun Ediagbonya. “Impact of Petrol-Ethanol Blending Ratios on the Performance and Combustion Efficiency of Spark Ignition Engines”. Journal of Energy Technology and Environment, vol. 6, no. 4, Dec. 2024, pp. 198-06, doi:10.5281/zenodo.14532426.