Information Systems
Information Systems > 1998 > 23 > 2 > 65-108
Information Systems > 1998 > 23 > 3-4 > 127-155
Information Systems > 2009 > 34 > 6 > 551-576
Information Systems > 2014 > 39 > Complete > 80-107
Information Systems > 1998 > 23 > 2 > 65-108
Information Systems > 1998 > 23 > 3-4 > 127-155
Information Systems > 2009 > 34 > 6 > 551-576
Information Systems > 2014 > 39 > Complete > 80-107