RECENT PROGRESS ON HYDROGEN-FUELED PORT FUEL INJECTION SPARK IGNITION ENGINE: A Systematic Review. - ABUBAKAR, Shitu; SAID, Mohd Farid Muhamad; ABAS, Mohd Azman; KHALID, Ahmad Hilmi; ROSLAN, Muhammad Faizullizam; ISMAIL, Najib Aminu; UMARU, Samaila; NARAYAN, Sunny; KAISAN, Muhammad Usman (Thermal Science, 2025)