JPFA, Editor. “Acknowledgment JPFA Vol 8 No 2 December 2018”. Jurnal Penelitian Fisika dan Aplikasinya (JPFA) 8, no. 2 (December 31, 2018): vii. Accessed May 3, 2024. https://journal.unesa.ac.id/index.php/jpfa/article/view/3992.