[1]
Abbass, H.H. et al. 2020. On Normal Subgroups Lattice of Dihedral Group. Journal of Al-Qadisiyah for Computer Science and Mathematics. 12, 1 (Mar. 2020), Math Page 83– 95. DOI:https://doi.org/10.29304/jqcm.2020.12.1.675.