JPPPF, Editor. Front Matter JPPPF Volume 9 Issue 1, June 2023. Jurnal Penelitian & Pengembangan Pendidikan Fisika, [S. l.], v. 9, n. 1, 2023. DOI: 10.21009/1.09100. Disponível em: https://journal.unj.ac.id/unj/index.php/jpppf/article/view/35058. Acesso em: 5 nov. 2024.