BIBB / Challenges associated with the introduction of procedures for the validation of non-formal and informal learning in Germany https://www.bibb.de/dienst/publikationen/de/8608?referrer=dm9lX3B1YmxpY2F0aW9uc19kZXRhaWx7InB1YmxpY2F0aW9uSWQiOiI4NjA3In0%3D
A Delphi survey was conducted, in which experts in some cases gave a critical assessment
