Zalzala, Hashim A R, Basheer Y Muhson, and Muhnad A Ahmed. “Studing Optical and Electrical Properties of Bi203 Thin Filam for Optoelectronic Applications”. Al-Nahrain Journal of Science 15, no. 1 (September 3, 2018): 80–82. Accessed May 22, 2026. https://mail.anjs.edu.iq/index.php/anjs/article/view/1551.