%0 Journal Article %T Finite groups whose generalized hypercenter contains certain subgroups of prime power order %A M. Ramadan %A R. A. Hijazi %J International Journal of Algebra %D 2012 %I %U http://www.m-hikari.com/ija/ija-2012/ija-17-20-2012/hijaziIJA17-20-2012.pdf