1. Lc., M.Sc., Assistant Professor, Department of Islamic Economic Laws, Muhammadiyah University of Surakarta, Indonesia
2. S.H., Junior Researcher, Department of Islamic Economic Laws, Muhammadiyah University of Surakarta, Indonesia
3. M.E., Lecturer, Department of Islamic Economics, Islamic University of Indonesia, Indonesia
4. M.A., Assistant Professor, Department of Islamic Economics, University of Pembangunan Nasional Veteran Jakarta, Indonesia
5. Ph.D., Lecturer, Department of Islamic Economics, University of Darussalam Gontor, Indonesia