S. Agustina, N. S. Indrasti, . Suprihatin, and N. T. Rohman, “Synthesis of Nano Zinc Oxide from Galvanized Industrial Waste by Using a Combination Method of SOL-Gel, Sonochemical and Calcination”, IJSBAR, vol. 22, no. 1, pp. 151–164, Apr. 2015, Accessed: Sep. 13, 2025. [Online]. Available: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/3878