Zainab Amer ALbawiy, and Haider MJ. Haider. “Partial Substitution of Cadmium and Its Effect on the Electrical Properties of the Superconducting System (YBCO)”. Eurasian Journal of Physics,Chemistry and Mathematics, vol. 16, Mar. 2023, pp. 32-38, https://geniusjournals.org/index.php/ejpcm/article/view/3585.