“Variation of Refractive Index of PMMA With Temperature and Different Doping % of Tio2”. International Journal of Scientific Research and Management (IJSRM) 3, no. 10 (October 17, 2015): 3626–3631. Accessed May 18, 2024. https://ijsrm.net/index.php/ijsrm/article/view/272.