Firdaus, I., H. . Widyandari, P. K. Karo, R. Yuliandra, and Y. A. Fath. “Immobilization of Tungsten Oxide (WO3) Material on Glass Substrate Using the Direct Spray Deposition (DSD) Method”. Journal of Energy, Material, and Instrumentation Technology, vol. 7, no. 2, May 2026, pp. 126-33, doi:10.23960/jemit.485.