1
Published 1997
Available via EBSCO eBook Collection
eBook
3
by Ballard, Charles L.
Published 2010
Available via JSTOR
eBook
4
by Frumkin, Norman.
Published 1998
Available via EBSCO eBook Collection
eBook
7
8
Published 2003
Available via EBSCO eBook Collection
eBook
10
Published 1990
Book
11
by Breznitz, Dan.
Published 2011
Book
13
by Frumkin, Norman.
Published 2004
Available via EBSCO eBook Collection
eBook
14
by Peterson, Peter G.
Published 1988
Book
15
by Loraine, John Alexander.
Published 1980
Book
16
by Krugman, Paul R.
Published 2003
Book