@article{paperid:1067047, author = {M.Afkhami and Farrokhi Derakhshandeh Ghouchan, Mohammad and Khashyarmanesh, Kazem}, title = {Planar, outerplanar and ring graph cozero-divisor graph}, journal = {Ars Combinatoria}, year = {2017}, volume = {131}, number = {1}, month = {April}, issn = {0381-7032}, pages = {395--406}, numpages = {11}, keywords = {cozero-divisor graph; planarity}, }