The German Multidisciplinary Publishing Center (GMPC) has the privilege to announce being Crossref member starting from January 2021, and the prefix 10.51585 was assigned. Through this membership, all upcoming articles of the GMPC Journals will be assigned DOIs. Each article's DOI will be stated in the article abstract page, the search results, and the full text published articles. The GMPC is also fully incorporating reference Linking for all the papers published in our journal.

CrossRef is the citation-linking backbone for online publications. Established in 2000 by scholarly publishers as an independent, non-profit entity, it enables researchers to navigate electronic journals, across publishers, based on open-standards technology (the Digital Object Identifier, or DOI, system)