One of the biggest barriers to 'open access' is cost. Or at least, the perception of cost. APCs, or article-processing charges', are bad.
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and the numbers are constantly growing
@DOAJplusThanks. Twitter will use this to make your timeline better. Undo -
embarrassed to admit i had no idea this directory existed - it's great!!
Thanks. Twitter will use this to make your timeline better. Undo
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