Lean and agile

The task is therefore to search for (more) and read recent scientific articles related to Lean philosophy and Agile methodology and to do:
1) a brief summary of the theory presented in the articles (eg whether the topic has been studied well / poorly and if so, in what way, how the concepts have come and relate to others)
2) summarize what results and conclusions have been reached in these research papers.
Also use as a source reference