Wlla M. Mohammed. “Study of the Electrical Properties of the Thin Film (SnO2 )1-X(Bi2O3)X Preparation by Vacuum Evaporation System”. Tikrit Journal of Pure Science 24, no. 2 (April 15, 2019): 84–87. Accessed July 22, 2024. https://tjps.tu.edu.iq/index.php/tjps/article/view/357.