ROSA, Wellington da Cruz; LUCCA FILHO, João de. THE IMPORTANCE OF PREVENTIVE MAINTENANCE FOR PRODUCTIVE IMPROVEMENT IN CNC MACHINING MACHINES. Revista Interface Tecnológica, Taquaritinga, SP, v. 18, n. 2, p. 652–664, 2021. DOI: 10.31510/infa.v18i2.1248. Disponível em: https://revista.fatectq.edu.br/interfacetecnologica/article/view/1248. Acesso em: 5 dec. 2025.