Universitas Muhammadiyah Yogyakarta
National Cheng Kung University, Taiwan
University Utara Malaysia, Malaysia
German Institute of Global and Area Studies (GIGA), Germany
Australian National University, Australia
Universitas Muhammadiyah Yogyakarta, Indonesia
Mindanao State University- Iligan Institute of Technology
Universität Hamburg, Germany
University of Eastern Finland, Finland
Eotvos Lorand University, Budapest, Hungary
Universitas Gadjah Mada, Indonesia