“ANALISIS PERFORMA KINERJA BOILER A MENGGUNAKAN DIRECT METHOD DAN INDIRECT METHOD PADA AREA UTILITAS”. Prosiding Seminar Nasional Teknologi Energi Dan Mineral , vol. 4, no. 1, Dec. 2024, pp. 587-94, https://doi.org/10.53026/prosidingsntem.v4i1.208.