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What is an article processing charge (APC)?
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How much is the article processing charge (APC)?
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What should I do if I cannot pay the article processing charge (APC)?
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Why is there an article processing charge (APC)?
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What do I pay if I am publishing Open Access in a journal that has page or publication charges?
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Is tax included in the article processing charge (APC)?
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Why has my APC increased?