2026-08-09T18:53:31Zhttps://journal.rmpublisher.org/journal/7samudra/oai Jurnal 7 Samudra https://journal.rmpublisher.org/journal/7samudra/oai 2.0 journal@poltekpel-sby.ac.id 2016-10-27T17:00:00Z no YYYY-MM-DDThh:mm:ssZ