WALEED NIKLAWY; MOATASEM SHAHIN; MOHAMED I. AMIN; ALI ELMAIHY. Experimental Investigations of Injection and Combustion Parameters of a Homogeneous Charge Compression Ignition (HCCI) Engine with a Multi-Injection Common Rail System. Communications - Scientific letters of the University of Zilina, v. 24, n. 2, p. B120-B134, 1 Apr. 2022.