Information Systems
Information Systems > 2011 > 36 > 5 > 859-880
Information Systems > 2011 > 36 > 5 > 843-858
Information Systems > 2011 > 36 > 5 > 825-842
Information Systems > 2011 > 36 > 5 > 898-915
Information Systems > 2011 > 36 > 5 > 881-897