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 May 2, 2024. https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/4714.