Zhang, Biao, HaiMing Zhang, and LiJuan Wei. “Ag2S/WO3/Composites/With/Full/Spectrum/Photocatalytic/Activity”. American Scientific Research Journal for Engineering, Technology, and Sciences 56, no. 1 (June 19, 2019): 152–156. Accessed September 26, 2025. https://www.asrjetsjournal.org/American_Scientific_Journal/article/view/4714.