Ralph D. Westfall
发表
Ralph D. Westfall,
2000
.
Ralph D. Westfall,
2005
.
Ralph D. Westfall,
R. Westfall,
2016
.
Ralph D. Westfall,
2001
.
Ralph D. Westfall,
R. Westfall,
1997
.
Ralph D. Westfall,
R. Westfall,
2004,
CACM.
Ralph D. Westfall,
1997,
Inf. Syst. Manag..
Ralph D. Westfall,
R. Westfall,
2012,
J. Inf. Syst. Educ..
Ralph D. Westfall,
2004
.
Ralph D. Westfall,
1997
.