Putri, R.W., Merdeka, M.F., Alisya, R., Rahmatullah, R. and Haviz, M. 2024. Evaluation of Heat Loss Effect on Package Boiler Performance (5007-U) in the Utility Unit of Urea Fertilizer Industry. CHEESA: Chemical Engineering Research Articles. 7, 2 (Sep. 2024), 67–74. DOI:https://doi.org/10.25273/cheesa.v7i2.19292.67-74.