1. Faculty of Economics and Business, Universitas Trunojoyo Madura, Bangkalan, Indonesia
2. Faculty of Economics, Universitas Negeri Surabaya, Surabaya, Indonesia
3. Faculty of Accountancy, Universiti Teknologi MARA Cawangan Selangor, Kampus Puncak Alam, Malaysia
4. Faculty of Economics and Business, Universitas Cenderawasih, Jayapura, Indonesia