Louk, Andreas Christian. “Front Matter Vol 5, No. 2 - Oktober 2020”. Jurnal Fisika : Fisika Sains dan Aplikasinya 5, no. 2 (October 22, 2020): i-vii. Accessed December 3, 2021. https://ejurnal.undana.ac.id/index.php/FISA/article/view/3474.