Faez N.Ghaffoori, H.M.A.Abdullah, Saif Z.Hameed. (2020). On The Direct Product Of Pure 1, 2, 3 And 4 Pure Subgroups Of Abelian Group G. International Journal of Advanced Science and Technology, 29(9s), 3360 - 3364. Retrieved from http://sersc.org/journals/index.php/IJAST/article/view/15944