JPPPF, Editor. Front Matter JPPPF Volume 4 Issue 1, June 2018. Jurnal Penelitian & Pengembangan Pendidikan Fisika, [S. l.], v. 4, n. 1, p. i - x, 2018. DOI: 10.21009/1.04100. Disponível em: https://journal.unj.ac.id/unj/index.php/jpppf/article/view/8357. Acesso em: 5 nov. 2024.