Villacrés-Parra, Sergio Raúl, Mayra Alexandra Viscaíno-Cuzco, and César Marcelo Gallegos-Londoño. “Preventive Maintenance Optimization Methodologies Focused on Power Transformers: A State of the Art Review”. ConcienciaDigital 4, no. 3.1 (August 5, 2021): 238-252. Accessed November 24, 2024. https://cienciadigital.org/revistacienciadigital2/index.php/ConcienciaDigital/article/view/1827.