@inproceedings{paperid:1022938, author = {Erfanian, Ahmad}, title = {Isoclinism and Commutativity Degree of groups}, booktitle = {Group Theory Seminar}, year = {2009}, location = {کوالالمپور}, keywords = {Commutativity degree; relative n-th nilpotency degree; isoclinic groups; relative n-isoclinic groups.}, }