1. The United States of war: a global history of America's endless conflicts, from Columbus to the Islamic State Vine, David, 1974- Oakland, California : University of California Press, 2020. HIST470
2. Statistics for Managers Using Microsoft Excel, Global Edition, 9th Edition David M. Levine; David F. Stephan; Kathryn A. Szabat United Kingdom of Great Britain & Northern Ireland : ACCT131 Online
