ALTAF, M.; CHAUDHRY, M. Ashraf; BILAL, M. Shakeel; AHMAD, M. Ashfaq. VARIATION OF BAND GAP WITH COMPOSITION IN ZINC PHOSPHATE GLASSES. Journal of Research (Science), [S. l.], v. 13, n. 1, p. Pages: 09–17, 2002. Disponível em: http://jorscience.com/index.php/JRS/article/view/117. Acesso em: 7 jul. 2025.