Detrimental Effects of Slate Pencil : A Review. International Journal of Scientific Research in Science and Technology, [S. l.], v. 11, n. 2, p. 564–572, 2024. DOI: 10.32628/IJSRST52411290. Disponível em: https://ijsrst.com/index.php/home/article/view/IJSRST52411290.. Acesso em: 22 dec. 2024.