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 (Oct. 2025), 735–746. DOI:https://doi.org/10.5614/j.eng.technol.sci.2025.57.6.1.