Okada, T., Ichiyanagi, M., Yilmaz, E., Suzuki, T., Shiraishi, H., Ngwompe Souop, E. L. R., Widjaja, E., Sutedjo, J., Marcelo, C. D., Tjiotijono, F. R., Gotama, G. J. and Anggono, W. (2025) “The Effect of Ignition Timing on Combustion of Ammonia/Ethanol Mixtures in Spark-Assisted Compression Ignition Engine with a Sub-chamber ”, Journal of Engineering and Technological Sciences, 57(6), pp. 735–746. doi: 10.5614/j.eng.technol.sci.2025.57.6.1.