“Enhancement the Sensitivity of Zinc Sulfide Nanostructure Against NO2 Toxic Gas by Loading Graphene”, Iraqi Journal of Science, vol. 59, no. 4C, pp. 2242–2248, Dec. 2018, Accessed: Jul. 24, 2024. [Online]. Available: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/556