Nguyen, V. T. and Nguyen, V. H. (2019) “Research and Fabrication of WO₃ Thin Film Sensors for C₂H₅OH Gas Sensing Application”,
Old Journal
, (133), pp. 53–57. Available at: https://jst.vn/index.php/old/article/view/668 (Accessed: 5 October 2025).