Ralph Westfall
发表
Ralph Westfall,
1956
.
Ralph Westfall,
R. Westfall,
1999,
Commun. Assoc. Inf. Syst..
Ralph Westfall,
R. Westfall,
2001,
CACM.
Ralph Westfall,
R. Westfall,
2001,
Commun. Assoc. Inf. Syst..
Ralph Westfall,
R. Westfall,
2009,
Commun. ACM.
Matthew K. O. Lee,
Efraim Turban,
Pirkko Walden,
2000,
Pacific Asia Conference on Information Systems.