As a member of Crossref, an internationally recognised organisation,Pen Academic ensures that its publications are more effectively recognised and accessible in the digital world. Thanks to Crossref membership, Pen Academic assigns a unique Digital Object Identifier (DOI) to each of its publications, making it possible to access academic works in the digital environment with permanent and reliable links.

Crossref is a prestigious organisation that provides DOI assignment and content registration services to organisations producing academic and professional content worldwide. Pen Akademik's Crossref membership allows the publishing house to index its publications in accordance with international standards and to work more integrated with the global academic community.

The DOIs assigned to Pen Akademik's publications support researchers and academics to access their work easily, to make citations correctly and to strengthen scientific communication. This membership provides a valuable service to the authors and readers by contributing to the international visibility of Pen Academic's publications.

Pen Academic also provides DOI service to external journals using BOQ Webverse - Academic Journal System service.