1. Department of Fiscal Administration, Faculty of Administrative Science, Universitas Indonesia, Depok 16424, Indonesia
2. Department of Public Finance, Faculty of Tourism and Hospitality Management, University of Rijeka, 51410 Opatija, Croatia
3. Tax Policy Research Department, Pratama-Kreston Tax Research Institute, Jakarta 12530, Indonesia
4. Accounting Department, Sekolah Tinggi Ilmu Ekonomi Swadaya, Jakarta 13620, Indonesia