Alwan Saleh, F.; Shakir Mahmood, A.; Kadhim Allawi, M.; Al-Sayyab, A. K. S. . The Effect of Hydrogen on Performance of Internal Combustion Engine Fueled by Compressed Natural Gas. J. eng. sustain. dev. 2025, 29 (3), 338-343. https://doi.org/10.31272/jeasd.2689.