JPPPF, Editor. “Back Matter JPPPF Volume 4 Issue 1, June 2018”. Jurnal Penelitian & Pengembangan Pendidikan Fisika 4, no. 1 (June 30, 2018). Accessed May 5, 2024. https://journal.unj.ac.id/unj/index.php/jpppf/article/view/9849.