Widodo, Herry, Ryan Saputra, and Puryadi Puryadi. “ANALISIS POWER OF HYDROGEN DAN KESADAHAN FEED WATER BOILER GUNA MENINGKATKAN EFISIENSI BOILER DI PT. DJARUM KUDUS”. Majalah Ilmiah Gema Maritim 23, no. 2 (September 29, 2021): 164-168. Accessed June 28, 2026. https://e-journal.akpelni.ac.id/index.php/Gema-Maritim/article/view/173.