Altaf, M., M. A. Chaudhry, and Kishwar Naz. “STUDY OF ZINC-BOROPHOSPHATE GLASSES”. Journal of Research (Science) 15, no. 4 (July 7, 2004): Pages: 383–389. Accessed July 8, 2025. http://jorscience.com/index.php/JRS/article/view/206.