Lindung Zalbuin Mase.

Universitas Bengkulu, Indonesia.

Prof. Pakhrur Razi, S.Pd, M.Si, Ph.D

Universitas Negeri Padang, Indonesia

Dr. Leni Aziyus Fitri.

Baiturrahmah University, Indonesia.

- 0000-0003-0651-8225

Dr. Melany Febrina.

Sumatra Institute of Technology, Indonesia, Department of Physics.

Prof. Sismanto Sismanto.

Gadjah Mada University, Indonesia.

Dr. Eddy Hartantyo.

Gadjah Mada University, Indonesia, Department of Physics.

Dr. Nandi Haerudin.

University of Lampung, Indonesia.

M.S. Rida Samdara.

University of Bengkulu, Indonesia, Department of Physics.

Rima Rachmayani.

Institut Teknologi Bandung.

Dr. Wa Ode Sukmawati Arsya.

Halu Oleo University, Indonesia, Physics Department, Faculty of mathematics and Natural sciences.

Dr. Ratna Dewi Syarifah.

Jember University, Indonesia.