1. Ph.D., Associate Professor, Faculty of Economics and Business, Djuanda University
2. Ph.D., Assistant Professor, Department of Management, Faculty of Economics and Business, Sekolah Tinggi Ilmu Ekonomi Indonesia Jakarta
3. Ph.D., Assistant Professor, Department of Management, Faculty of Economics and Business, Sekolah Tinggi Ilmu Ekonomi Indonesia Banjarmasin
4. Ph.D., Associate Professor, Department of Management, Faculty of Economics and Business, Mercu Buana University