JPFA, Editor. Back Cover JPFA Vol 8 No 1 June 2018. Jurnal Penelitian Fisika dan Aplikasinya (JPFA), [S. l.], v. 8, n. 1, p. viii, 2018. DOI: 10.26740/jpfa.v8n1.pviii. Disponível em: https://journal.unesa.ac.id/index.php/jpfa/article/view/2952. Acesso em: 9 jun. 2025.