Hi there! If you didn't try this yet, you might check https://university.atlassian.com/student/catalog ... there are a lot of free lessons concerning both agile work procedures in general and how to make the best of the atlassian products as well. It's a great way to start from scratch if you need to, but there's also material for advanced and expert users available.
Best regards!
Wwlcome to the Atlassian Community, and thia group @Barış Özer !
Hope you have a great learning and sharing experience here !
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