25 October 2022 5 204 Report

In our work there are several figures and graphs which are coloured. In the online version it is free but in the print version the journal is suggesting per coloured figure some charges in dollars. I am really confused about this point, whether these charges are mandatory or in the online version we can give coloured and in the print black and white. Can anyone please guide me regarding this aspect.

Thank you so much in advance.

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