ASST PROF PALLAVI BILE. AUTOMATION OF DUPLEX MILLING MACHINE BY USING PLC. International Journal of Innovations in Engineering Research and Technology, Maharashatra, India, p. 418–423, 2022. Disponível em: https://repo.ijiert.org/index.php/ijiert/article/view/3242. Acesso em: 4 dec. 2025.