R. Rajaramakrishna, Y. Ruangtaweep, K. Shashikumar, S. Tuscharoen, and J. Kaewkhao, “STRUCTURAL AND LUMINESCENCE STUDIES OF MnO2 DOPED IN GLASS FROM RICE HUSK ASH FOR GREEN AND ORANGE EMISSION MATERIAL APPLICATIONS”, Suranaree J Sci Technol, vol. 28, no. 3, pp. 030050(1–6), Aug. 2026.