1. Magister of Management, Universitas Pelita Bangsa, Bekasi, Indonesia
2. Universitas Riau Kepulauan, Batam, Indonesia
3. Universitas Muhammadiyah Gresik, Indonesia
4. Universitas Insan Budi Utomo, Malang, Indonesia
5. Management Department, BINUS Online, Bina Nusantara University, Jakarta, Indonesia