1. Atani, S.E.: On graded weakly prime ideals. Turk. J. Math. 30, 351–358 (2006)
2. Atani, S.E.: On graded prime submodules. Chiang Mai. J. Sci. 33, 3–7 (2006)
3. Hazrat, R.: Graded Rings and Graded Grothendieck Groups. Cambridge University Press, Cambridge (2016)
4. Nastasescu, C., Oystaeyen, V.F.: Graded Ring Theory, Elsevier (2011)
5. Nastasescu, C., Oystaeyen, V.F.: Methods of Graded Rings. LNM 1836. Springer, Berlin-Heidelberg (2004)