Shuker, N., Younis, R. (2004). On Dual Rings. Journal of Kufa - physics, 1(1), 20-26. doi: 10.33899/csmj.2004.164094
Nazar H. Shuker; Rani S. Younis. "On Dual Rings". Journal of Kufa - physics, 1, 1, 2004, 20-26. doi: 10.33899/csmj.2004.164094
Shuker, N., Younis, R. (2004). 'On Dual Rings', Journal of Kufa - physics, 1(1), pp. 20-26. doi: 10.33899/csmj.2004.164094
Shuker, N., Younis, R. On Dual Rings. Journal of Kufa - physics, 2004; 1(1): 20-26. doi: 10.33899/csmj.2004.164094