1. .Ak., Lecturer, Faculty of Business and Economics, Department of Accountancy, Universitas Riau [University of Riau]
2. M.SA., Lecturer, Economic and Business Faculty, Accountancy Department, Universitas Riau [University of Riau]
3. M.Ak., Lecturer, Economic and Business Faculty, Accountancy Department, Universitas Riau [University of Riau]
4. M.Si., Lecturer, Economic and Business Faculty, Accountancy Department, Universitas Riau [University of Riau]
5. M.Sc., Lecturer, Faculty of Economics and Business, Department of Accountancy, University of Riau