1
by Bryman
Published 2009
2
by Norusis
Published 2008
3
by Green
Published 2011
4
by Norusis
Published 2008
5
by Wagner
Published 2007
6
by FOSTER
Published 1998
7
by Norusis
Published 2008
8
by Norusis
Published 2008
9
10
by Green, Samuel B.
Published 2000