Hasan, HelenBanna, SumayyaHart, Dennis N.Gregor, Shirley2021-04-162021-04-1620129781921862939 (print), 9781921862946 (online)http://hdl.handle.net/1885/230222application/pdfen-AU© 2012 ANU PressThe Unit of Analysis in IS Theory: The case for activity201210.22459/ISF.10.2012.08