Article Processing Charges (APCs)

This journal publishes all its articles in full open access format. The scientific community and the general public have, for free, unlimited and immediate access to all content published in VISI PTK-PNF as soon as it is published on the Internet. This means that VISI PTK-PNF does not receive any income from selling subscriptions to print or view online versions of its journals or from charging "pay-per-view" fees. Submission to this journal is free of charge.