Spektra, Editor. “BACK MATTER SPEKTRA VOLUME 2 NOMOR 3 DESEMBER 2017”. Spektra: Jurnal Fisika dan Aplikasinya 2, no. 3 (December 31, 2017). Accessed November 3, 2024. https://journal.unj.ac.id/unj/index.php/spektra/article/view/7635.