Efriliani, Desi, State University of Medan (Indonesia)
Ekawati, Ekawati, State University of Medan (Indonesia)
El, Muhammad Ismail, Mahasiswa Pendidikan Fisika Ekstensi 2014 Fakultas FMIPA UNIMED (Indonesia)
Elisa, Elisa, Universitas Muhammadiyah Tapanuli Selatan (Indonesia)

1 - 4 of 4 Items    

This work is licensed under a Creative Commons Attribution 4.0 International License.

P-ISSN : 2461-1247     |       E-ISSN : 2477-5142