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https://www.doi.org
We govern the Digital Object Identifier DOI system on behalf of the agencies who manage DOI registries and provide services to their respective communities We are the registration authority for

https://www.citationeasy.com
Learn what a DOI is why it s important for citations and how to find DOIs for journal articles books and other scholarly sources Includes step by step instructions

http://research.nbuv.gov.ua
Digital Object Identifier DOI

https://en.wikipedia.org
A DOI aims to resolve to its target the information object to which the DOI refers This is achieved by binding the DOI to metadata about the object such as a URL where the object is located Thus by

https://www.scribbr.com
A DOI Digital Object Identifier is a unique and never changing string assigned to online journal articles books and other works DOIs make it easier to retrieve works which is why citation

https://journaltoolkit.com
A DOI Digital Object Identifier is a unique alphanumeric string assigned to scholarly publications such as journal articles conference papers books reports and datasets

https://doilookup.com
Enter a DOI up to 15 separated by commas a single ISSN ISBN ORCID or PMID to retrieve article metadata metrics retraction status and more Any other text searches CrossRef

https://www.crossref.org
Crossref runs open infrastructure to link the world s research outputs 25 000 members 167 countries 2 1 billion monthly API queries

https://www.doiz.org
We govern the Digital Object Identifier DOI system on behalf of the agencies who manage DOI registries and provide services to their respective communities We are the registration authority for