Alatuany, A., and W. Alobaidy. “Generalized *⊕Z* Supplemented Modules and Generalized*⊕ Co-Finitely Supplemented Modules”. Journal of Progressive Research in Mathematics, Vol. 6, no. 3, Jan. 2016, pp. 803-11, http://scitecresearch.com/journals/index.php/jprm/article/view/572.