The first SPEKTRA is published in 2007 with an old p-ISSN on the website http://js-unj.ac.id. Starting in 2016, SPEKTRA has new e-ISSN and now published on page http://journal.unj.ac.id/unj/index.php/spektra and under the supervision of LPPM UNJ.
Focus and ScopeEditorial BoardReviewersContact UsJournal HistoryIndexing
Submit to SPEKTRAAuthor Guidelines Manuscript Template Article Processing Charges
License & Copyright Peer Review Process Ethic Statement Plagiarism ScreeningJournal ManagementOpen Access Policy
For Readers For Author For Librarians
Abstracting & Indexing:
This work is licensed under a Creative Commons Attribution 4.0 International License.