Mangalla LK, Endriatno N, Tasman M, Wibowo D, Nurdin M. Utilization of waste transformer oil for alternative fuel: Design of combustion system model, economic feasibility, and performance test. Eng Appl Sci Res [internet]. 2024 Sep. 4 [cited 2025 Apr. 7];51(5):597-604. available from: https://ph01.tci-thaijo.org/index.php/easr/article/view/255593