1. Dr., Lecturer, Department of Management, Faculty of Economics and Business, Universitas Negeri Padang [Padang State University], Indonesia
2. Dr., Lecturer, Department of Economics, Faculty of Economics and Business, Universitas Negeri Padang [Padang State University], Indonesia
3. Dr., Lecturer, Agro Industry Logistics Management, Politeknik ATI Padang [ATI Padang Polytechnic], Indonesia
4. Dr., Lecturer, Department of Management, Faculty of Economics, Universitas Sumatera Barat [West Sumatera University], Indonesia
5. Master, Lecturer, Department of Accounting, Faculty of Economics and Business, Universitas Negeri Padang [Padang State University], Indonesia