1
Published 1980
2
by Fewsmith, Joseph, 1949-
Published 1994
3
Published 1992
4
Published 1997
5
Published 1993
6
Published 1977
7
Published 1995
8
9
10
by Fishman, Ted C, 1958-
Published 2005
11
12
Published 1982
13
by Kotler, Philip
Published 2000
14
by Tan, Gerald
Published 1992
15
Published 1994
16
by Figgie, Harry E.
Published 1993
17
by Siegler, Heinrich
Published 1969
18
19
by Sieh Lee Mei Ling
Published 2000
20
by Shin, Dong-Myeon, 1966-
Published 2003