SUHEL NAJIR JAMADAR; PROF. S. A. MANVATKAR. FEATURES OF CNC MACHINES AND SYSTEMS. International Journal of Innovations in Engineering Research and Technology, Maharashatra, India, p. 1–6, 2021. Disponível em: https://repo.ijiert.org/index.php/ijiert/article/view/1709. Acesso em: 16 aug. 2025.