R. Vragov
发表
Roumen Vragov,
R. Vragov,
2004
.
Roumen Vragov,
D. Porter,
David Porter,
2006
.
R. Vragov,
2017
.
K. Lang,
R. Vragov,
Di Shang,
2007
.
Roumen Vragov,
Bart J. Wilson,
B. Wilson,
2005
.
R. Vragov,
2007
.
R. Vragov,
2022,
The Serials Librarian.
K. Lang,
R. Vragov,
Di Shang,
2009
.
K. Lang,
R. Vragov,
R. Shang,
2011,
Information Systems and e-Business Management.
Roumen Vragov,
Nanda Kumar,
Nanda Kumar,
2013,
Electron. Commer. Res. Appl..
Karl Reiner Lang,
Jerald Hughes,
Roumen Vragov,
2008,
Electron. Commer. Res. Appl..
Karl Reiner Lang,
Jerald Hughes,
Roumen Vragov,
2005,
PACIS.
Claudia Löbbecke,
Roumen Vragov,
Charles A. Wood,
2011,
Electronic Commerce Research and Applications.
Claudia Löbbecke,
Roumen Vragov,
Charles A. Wood,
2010,
Electronic Commerce Research and Applications.
Karl Reiner Lang,
Richard D. Shang,
Roumen Vragov,
2015,
J. Assoc. Inf. Syst..
Karl Reiner Lang,
Richard D. Shang,
Roumen Vragov,
2009,
Decis. Support Syst..
Karl Reiner Lang,
Richard D. Shang,
Roumen Vragov,
2009,
2009 42nd Hawaii International Conference on System Sciences.
Anna Gunnthorsdottir,
R. Vragov,
Jianfei Shen,
2022
.
Anna Gunnthorsdottir,
R. Vragov,
Jianfei Shen,
2010
.
K. McCabe,
Anna Gunnthorsdottir,
S. Seifert,
2009
.
Roumen Vragov,
R. Vragov,
2010,
Electron. Commer. Res. Appl..
Karl Reiner Lang,
Richard D. Shang,
Roumen Vragov,
2008,
Proceedings of the 41st Annual Hawaii International Conference on System Sciences (HICSS 2008).
K. McCabe,
Anna Gunnthorsdottir,
R. Vragov,
2007
.
Roumen Vragov,
Nanda Kumar,
Nanda Kumar,
2006,
Electron. Mark..
K. McCabe,
Anna Gunnthorsdottir,
S. Seifert,
2010
.
K. McCabe,
Anna Gunnthorsdottir,
S. Seifert,
2008
.
Roumen Vragov,
R. Vragov,
2009,
Int. J. E Serv. Mob. Appl..
Kannan Mohan,
Karl Reiner Lang,
Richard D. Shang,
2012,
ICEC '12.
Anna Gunnthorsdottir,
R. Vragov,
Jianfei Shen,
2009
.
Karl Reiner Lang,
Roumen Vragov,
K. Lang,
2005,
Proceedings of the 38th Annual Hawaii International Conference on System Sciences.
Nanda Kumar,
R. Vragov,
2020,
IADIS INTERNATIONAL JOURNAL ON WWW/INTERNET.
Nanda S. Kumar,
R. Vragov,
2020,
Proceedings of the 19th International Conference on WWW/Internet.
Roumen Vragov,
Nanda Kumar,
Nanda Kumar,
2019,
Int. J. Electron. Gov. Res..
Roumen Vragov,
R. Vragov,
2013,
Int. J. Strateg. Inf. Technol. Appl..
Roumen Vragov,
R. Vragov,
2005,
AMCIS.
Karl Reiner Lang,
Richard D. Shang,
Roumen Vragov,
2012,
Inf. Syst. E Bus. Manag..
Karl Reiner Lang,
Roumen Vragov,
Richard Di Shang,
2010,
Int. J. Electron. Commer..
Karl Reiner Lang,
Richard D. Shang,
Roumen Vragov,
2009,
WEB.
Roumen Vragov,
R. Vragov,
2005,
Proceedings of the 38th Annual Hawaii International Conference on System Sciences.
Roumen Vragov,
R. Vragov,
2009
.
Roumen Vragov,
Ilan Levine,
R. Vragov,
2007
.
Karl Reiner Lang,
Roumen Vragov,
K. Lang,
2005,
J. Manag. Inf. Syst..
Roumen Vragov,
Nanda Kumar,
Nanda Kumar,
2009,
CACM.
Atish P. Sinha,
Sanjay V. Addicam,
N. Gronau,
2015,
AMCIS.