1. MSc, Lecturer, Researcher, Faculty of Islamic Studies, Department of Islamic Economic Law, Universitas Muhammadiyah Surakarta [Muhammadiyah Surakarta University]
2. Master, Associate Professor, Islamic Economic Law Department, Faculty of Islamic Studies, Muhammadiyah Surakarta University
3. Undergraduate, Researcher, Islamic Economic Law Department, Faculty of Islamic Studies, Muhammadiyah Surakarta University
4. Master, Lecturer, Researcher, Islamic Economic Law Department, Faculty of Islamic Studies, Muhammadiyah Surakarta University