A. Hasan, A., A. El-Din Abdin, and M. A. M. Abdeen. “MHD Stability of a Streaming Resistive Hollow Jet Analytic and Numeric Analysis”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 33, no. 1, May 2017, pp. 192-09, https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/7218.