THERMAL CHARACTERISTICS OF GASOLINE ENGINE POWERED BY PETROL AND LPG UNDER VARIABLE SPEED, COMPRESSION RATIO СтатьяAl-Dawody Mohamed F., Aboud Emad D., Al-Farhany K.A., Al-Obaidi Wisam Jasim Kadhim, Idan Al-Chlaihawi Kadhim K., Kadhim Mohammed QaysAustralian Journal of Mechanical Engineering. Том 23. 2025. С. 549-563