1. Geography Faculty , Universitas Muhammadiyah Surakarta , Surakarta , Indonesia
2. Department of Architecture , Universitas Muhammadiyah Surakarta , Surakarta , Indonesia
3. Economy and Business Faculty , Universitas Muhammadiyah Surakarta , Surakarta , Indonesia
4. Department of Management , Universitas Muhammadiyah Sidoarjo , Sidoarjo , Indonesia
5. Faculty Science and Technology , Universitas Muhammadiyah Sidoarjo , Sidoarjo , Indonesia
6. Department of Informatic , Universitas Muhammadiyah Sidoarjo , Sidoarjo , Indonesia
7. Department of Electric Engineering , Universitas Muhammadiyah Surakarta , Surakarta , Indonesia
8. Department of Accounting , Universitas Muhamamdiyah Sidoarjo , Sidoarjo , Indonesia