Hassan Abass, Rajaa, and . . “The Cyclic Decomposition of the Group (Q2m C4) When M= ,h, r∈ Z+ and P Is Prime Number”. International Journal of Engineering & Technology, vol. 7, no. 4.36, Dec. 2018, pp. 681-8, https://doi.org/10.14419/ijet.v7i4.36.24223.