1
by Fiske-Rusciano
Published 2009
2
by MOONEY
Published 1999
3
Published 1988
4
by Buckingham
Published 2008
5
Published 2012
6
7
by Sasson
Published 2014
8
by Howe
Published 2007
9
10
Published 2010
11
Published 2007
12
by GRAHAM
Published 1993
13
by HORSMAN
Published 1990
14
by MOYNIHAN
Published 1997
15
by HOCHSCHILD
Published 1995
16
by HINTON
Published 1983
17
by BERGER
Published 1971
18
by Anwar Ridhwan
Published 1996
19
by BAKER
Published 1990
20
by Mathabane
Published 1986