Hasibuan, J. D., and J. Jufrizal. “Numerical Modeling of Heat Transfer in Boiler Combustion Chamber Walls Using Software Engineering”. IRA Jurnal Teknik Mesin Dan Aplikasinya (IRAJTMA), vol. 2, no. 2, Aug. 2023, pp. 81-90, doi:10.56862/irajtma.v2i2.47.