We are very glad to announce the launch of a series of educational videos. This first playlist is an introductory course created by the DOAJ Team itself to assist publishers, librarians, researchers and authors understand those standards and what an entry in DOAJ means.
Our goal is to continue developing our YouTube channel in order to create a comprehensive educational programme. Stay tuned and let us know your preferred topics!
DOAJ News Service 
Very good idea.
Thank you Moises. We hope that you and others find them useful.