Dewi, A. R. C., and I. Irwanto. “PEMELIHARAAN AUXILIARY BOILER PADA UNIT HAR LISTRIK 1-4 DI PT. INDONESIA POWER SURALAYA PGU”. SENTRI: Jurnal Riset Ilmiah, vol. 1, no. 2, Oct. 2022, pp. 357-65, https://ejournal.nusantaraglobal.or.id/index.php/sentri/article/view/240.