1. Magister, Department of Management, Faculty of Economics and Business, State University of Malang, Indonesia
2. Mgr., Dr., Professor, Faculty of Economic and Business, Department of Doctoral Program, State University of Malang
3. Dr., Professor, Department of Management, Faculty of Economics and Business, State University of Malang, Indonesia
4. Doctor, Department of Management, Faculty of Economics and Business, State University of Malang, Indonesia