“The Effect of Ignition Timing on Combustion of Ammonia/Ethanol Mixtures in Spark-Assisted Compression Ignition Engine with a Sub-chamber ”, J. Eng. Technol. Sci., vol. 57, no. 6, pp. 735–746, Oct. 2025, doi: 10.5614/j.eng.technol.sci.2025.57.6.1.