1
by Easterby-Smith
Published 2008
2
by Hillier
Published 2010
3
by Render, Barry
Published 2012
4
by Hillier
Published 2001
5
by Render
Published 2009
6
by Taha
Published 2007
7
by Render
Published 2006
8
by Taha
Published 2011
9
by MOHAPATRA
Published 1994
10
by GALLOWAY
Published 1998
11
by Taha
Published 2003
12
by ECKER
Published 1991
13
by Taha
Published 1997
14
Published 1992
15
by Mays
Published 1992
16
by Hillier
Published 1995
17
by BALL
Published 1991
18
by Taha
Published 1995
19
by Taha
Published 2007
20
by Render
Published 2009