Competing Against LuckClayton M. Christensen, Taddy Hall, Karen Dillon, David S. Duncan · First published 2016Open the Tome
Global perspectives on the United StatesDavid Levinson, Karen Christensen · First published 2007Open the Tome
Advanced financial accountingRichard E. Baker, Theodore Christensen, David Cottrell, Richard Baker, Christensen · First published 1989Open the Tome