Hasibuan, Joel Davidson, and Jufrizal Jufrizal. “Numerical Modeling of Heat Transfer in Boiler Combustion Chamber Walls Using Software Engineering”. IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) 2, no. 2 (August 27, 2023): 81–90. Accessed July 9, 2025. http://e-journals.irapublishing.com/index.php/IRAJTMA/article/view/47.