Xue M, GR Heim and PT Harker (2005). “Consumer and Co-Producer Roles in E-Service: Analysing Efficiency and Effectiveness of E-Service Designs.” Int J Electronic Business 3(2): 174-197.

Xue M, GR Heim and PT Harker (2005). “Consumer and Co-Producer Roles in E-Service: Analysing Efficiency and Effectiveness of E-Service Designs.” Int J Electronic Business 3(2): 174-197.

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