1. Student of Doctoral Program on Regional Planning, Postgraduate School, Universitas Sumatera Utara, Medan, Indonesia
2. Faculty of Cultural Sciences, Universitas Sumatera Utara, Medan, Indonesia
3. Faculty of Social and Political Sciences, Universitas Sumatera Utara, Medan, Indonesia
4. Department of History, Faculty of Cultural Sciences, Universitas Sumatera Utara, Medan, Indonesia
5. Department of Anthropology, Faculty of Social and Political Sciences, Malikussaleh University, Medan, Aceh, Indonesia