Abstracting and indexing services

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Metadata, portions, or full text of the articles are available from CrossRef metadata (2014-), ScienceCentral (2014-), Goolge Scholar (2014-), Directory of Open Access Journals (2016-), Web of Science Core Collection (2017-), Emerging Sources Citation Index (2017-), SCOPUS (2017-), and Korean Citation Index (2018-).