Sihotang, YonRombi, Erwen Martianis, and Burhan Hafid. 2026. “ANALYSIS OF PREVENTIVE MAINTENANCE ON A 6 MW HORIZONTAL-TYPE FRANCIS TURBINE USING THE MEAN TIME BETWEEN FAILURE (MTBF) AND MEAN TIME TO REPAIR (MTTR) METHODS AT THE PAKKAT HYDROPOWER PLANT OF PT ENERGY SAKTI SENTOSA”. Jurnal Dinamika Vokasional Teknik Mesin 11 (2). https://journal.uny.ac.id/index.php/dynamika/article/view/99812.