Investigation into Phase Change In Al203 and Si02 Equivalent Ratio Variation in Vitreous State . Journal of Science and Technology, [S. l.], v. 12, n. 2, p. 60–66, 2016. DOI: 10.4314/just.v12i2.1030. Disponível em: https://journal.knust.edu.gh/index.php/just/article/view/1030. Acesso em: 11 jun. 2026.