SPEKTRA, Editor. FRONT MATTER SPEKTRA VOLUME 6 ISSUE 3, DECEMBER 2021 . Spektra: Jurnal Fisika dan Aplikasinya, [S. l.], v. 6, n. 3, 2021. DOI: 10.21009/SPEKTRA.06300. Disponível em: https://journal.unj.ac.id/unj/index.php/spektra/article/view/25469. Acesso em: 22 nov. 2024.