SPEKTRA, Editor. FRONT MATTER SPEKTRA VOLUME 5 ISSUE 2, AUGUST 2020. Spektra: Jurnal Fisika dan Aplikasinya, [S. l.], v. 5, n. 2, 2020. DOI: 10.21009/SPEKTRA.05200. Disponível em: https://journal.unj.ac.id/unj/index.php/spektra/article/view/17002. Acesso em: 22 nov. 2024.