DOI is a digital object identifier
The DOI is a a web address linked to the publisher information of the article or book chapter. This is more stable than using a link from a database. A group of publishers, Publishers Linking International Association (PILA) formed the CrossRef depository as a collaborative linking system. To find more information go to https://www.apa.org/pubs/librarians/industry/crossref
To find a DOI for a publication you can use the CrossRef website: https://www.crossref.org/
A simple way to do so is to use the Search Metadata search and enter the title of the article. Then you can check for the matching item.
Plagiarism is using someone else's ideas or words without giving proper credit. There are many types of plagiarism. It can be unintentional. Use these links to find out more.
RefWorks is a web-based bibliography and reference manager that allows you to create your own personal database by importing references from text files or online databases and other various sources. You can use these references in writing papers and automatically format the paper and the bibliography in seconds.