Seputro, E. S. . and Sudarmanta , B. . (2025) “Numerical Investigation of Over Fire Air (OFA) Effect on Flow Characteristics, NOx Combustion and Emission in a 600 Mw Tangentially Fired Pulverized Coal Boiler”, IPTEK The Journal of Engineering, 5(2), pp. 38–42. doi: 10.12962/j23378557.v5i2.a5017.