Effectiveness Of Rice Husk Charcoal to Improve Breakdown Voltage of Used Transformer Oil. JTT (Jurnal Teknologi Terpadu) [Internet]. 2022 Apr. 30 [cited 2026 Jul. 9];10(1):61-6. Available from: https://jurnal.poltekba.ac.id/index.php/jtt/article/view/1430