JPFA, E. Back Cover JPFA Vol 9 No 2 December 2019. Jurnal Penelitian Fisika dan Aplikasinya (JPFA), [S. l.], v. 9, n. 2, p. ix, 2019. DOI: 10.26740/jpfa.v9n2.pix. Disponível em: https://journal.unesa.ac.id/index.php/jpfa/article/view/7258. Acesso em: 29 apr. 2024.