%0 Journal Article %T The Relative n-th Commutativity Degree of 2-Generator p-Groups of Nilpotency Class Two %A ّFadila Nor Mahia Abd Manaf %A Nor Haniza Sarmin %A Erfanian, Ahmad %A Tolue Haghighi, Behnaz %J Ars Combinatoria %@ 0381-7032 %D 2013