Open Access Policy

All articles presented on the JPPR website are Open Access, meaning they are freely accessible online without charge to anyone, anywhere. Authors publish under the Creative Commons Attribution License (CC BY 4.0). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms. The specific licence terms of use are available on
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