LIU, Zhiyao. Design and Application of a PLC-Based FSSS System for Gas-Fired Boiler. International Core Journal of Engineering, [S. l.], v. 11, n. 7, p. 115–121, 2025. DOI: 10.6919/ICJE.202507_11(7).0017. Disponível em: https://icj-e.org/index.php/ojs/article/view/68. Acesso em: 24 jul. 2026.