1. Department of Business Administration, Technology, Art and Social Sciences, Business Administration and Industrial Engineering Luleå University of Technology, LTU Luleå Sweden
2. Department of Business Administration, Technology and Social Sciences, Business Administration and Industrial Engineering Luleå University of Technology, LTU Luleå Sweden
3. Department of Business Administration, Technology and Social Sciences, Economics Luleå University of Technology, LTU Luleå Sweden