Research methods for operations management Introduction to the book Christer Karlsson Research in operations management Christer Karlsson) The research process Pär Ahlstrom Surveys Cipriano Forza Case research Chris Voss Mark Johnson and Jan Godsell Longitudinal field studies Pär Åhlström and Christer Karlsson Action research Paul Coughlan and David Coghlan Clinical management research Christer Karlsson Modelling and simulation J. Will M. Bertrand and Jan C. Fransoo