Microcontroller – Based Plotter Machine. Al-Nahrain Journal for Engineering Sciences, [S. l.], v. 21, n. 3, p. 350–355, 2018. DOI: 10.29194/NJES.21030350. Disponível em: https://nahje.com/index.php/main/article/view/NJES.21030350.. Acesso em: 2 may. 2024.