JPPPF, Editor. “Front Matter JPPPF Volume 7 Issue 2, December 2021”. Jurnal Penelitian & Pengembangan Pendidikan Fisika 7, no. 2 (December 30, 2021). Accessed November 24, 2024. https://journal.unj.ac.id/unj/index.php/jpppf/article/view/25082.