1. Department of Economics, Sekolah Tinggi Hukum Militer, Jalan Matraman Raya No. 126 Jakarta 13150, Indonesia
2. Department of Business Administration, Faculty Communication and Business, Telkom University, Jalan Telekomunikasi No. 1 Terusan Buah Batu, Bandung 40257, Indonesia
3. Department of Management, STIA Bagasasi, Jalan Cukang Jati No.5, Bandung 40273, Indonesia