JPFA, E. Front Cover JPFA Vol 8 No 2 December 2018. Jurnal Penelitian Fisika dan Aplikasinya (JPFA), [S. l.], v. 8, n. 2, p. i, 2018. DOI: 10.26740/jpfa.v8n2.pi. Disponível em: https://journal.unesa.ac.id/index.php/jpfa/article/view/3990. Acesso em: 3 may. 2024.