“Design of a ball mill with a capacity of 12 tm/h of coal milling anthracite, to improve the operation of the TSX-G fluidized bed boiler of the company TRUPAL S. A” (2018) Innovación en Ingeniería, 4(1). Available at: https://revistas.ucv.edu.pe/index.php/innovacion/article/view/1836 (Accessed: 11 April 2025).