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DOAJ Directory of Open Access Journals
Available from 2017.
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Free E-Journals: Nordic countries
Available from 1987 volume: 1 until 2017 volume: 21.
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Free E-Journals: Nordic countries
Available from 2017 volume: 21.
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IDUNN Open Access Journals
Available from 28/03/2017 volume: 21 issue: 1.