Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page Dialogue education:

"

Influenced by these theorists, Vella began to develop a structured set of principles and practices to translate the theory into action and results. She began using Dialogue Education practices in her teaching in the 1970s and these were further developed into a systematic approach while completing her doctoral dissertation at the University of Massachusetts Amherst. At this point, she named her approach popular education after Freire's model (Global Learning Partners, 2006a,b; Vella, 2004).