North Korea (DPRK) has a topic page in the Student Resources in Context database (password = braves) that can be accessed here. This is a good starting place for your research.
Here is a tip sheet with more information about navigating the databases.
If you need additional assistance navigating the databases, here is a tutorial video:
I would NOT recommend using websites that you find on your own. But here is one website I would recommend: CIA World Factbook - North Korea. To cite this website, you will need to enter the URL into a citation generator like EasyBib.
Questions? Need additional help? Feel free to comment on this post and I will get back to you. Or, please stop by the library and I will be happy to assist you!