[1] Univ Muhammadiyah Yogyakarta, Jusuf Kalla Sch Govt, Dept Govt Affairs & Adm, Kasihan, Indonesia
[2] Univ Murcia, Dept Econ Financiera & Contabilidad, Murcia, Spain
[3] Univ Muhammadiyah Malang, Dept Govt, Malang, Indonesia
[4] Univ Muhammadiyah Yogyakarta, Dept Polit Islam Polit Sci, Kasihan, Indonesia