Quan, Thi Minh Nguyet, Van Duy Nguyen, Manh Hung Chu, and Van Hieu Nguyen. “In-Situ Fabrication of SnO2 Nanowires Carbon Nanotubes Heterojunctions Based NO2 Gas Sensors”. Old Journal, no. 118A (May 15, 2017): 36–39. Accessed August 2, 2025. https://jst.vn/index.php/old/article/view/719.