Nguyen, V. T., Nguyen, V. D. and Nguyen, V. H. (2017) “Fabrication of H2S Gas Sensor based on SnO2/NiO Thin Film”, Old Journal, (116), pp. 68–71. Available at: https://jst.vn/index.php/old/article/view/442 (Accessed: 2 August 2025).