1. Department of Geological Engineering, Faculty of Engineering, Jenderal Soedirman University, Purbalingga, Indonesia
2. Doctoral School of Earth Sciences, the Department of Geology and Meteorology, Institute of Geography and Earth Sciences, Faculty of Sciences, University of Pécs, Pécs, Hungary
3. Department of Geography, Fakir Mohan University, Balasore, Odisha, India
4. Department of Biology, Faculty of Biology, Jenderal Soedirman University, Purwokerto, Indonesia
5. Szentágothai Research Centre, University of Pécs, Pécs, Hungary