A. khadayeir , Abdulhussain, and Falah H. yousif. 2021. “Study of the Effect of Cathode Graphite on I-V Characteristics of Argon DC Glow Discharge”. University of Thi-Qar Journal of Science 8 (2): 116-19. https://doi.org/10.32792/utq/utjsci.v8i2.872.