1. Ph.D., Faculty of Technique, Department of Industrial Technique, Universitas Muslim Indonesia
2. Doctoral, Faculty of Economics and Business, Department of Accounting, Universitas Muhammadiyah Palopo
3. Doctor, Faculty of Technique, Department of Industrial Engineering, Universitas Muslim Indonesia
4. Doctoral, Faculty of Technique, Department of Industrial Engineering, Universitas Muslim Indonesia
5. Doctoral, Faculty of Economic and Business, Department of Management, STIE AMKOP Makassar