Database: IEEE Xplore Digital Library

Keywords: - Project management methodology - Agile project management - Waterfall project management - Scrum methodology - Lean project management

Search Strategy:

1. "Project management methodology" AND ("Agile project management" OR "Waterfall project management" OR "Scrum methodology" OR "Lean project management")

2. ("Agile project management" OR "Waterfall project management" OR "Scrum methodology" OR "Lean project management") AND (project* AND methodolog*)

3. ("Agile project*" OR "Waterfall projec*" OR "Scrum methodolog*" OR "Lean projec*") AND (methodology)

Note: The asterisk (*) is a truncation symbol that will search for all variations of the word root.

Based on the number and relevance of results, REFINE the search to get between 100-300 results. Use refining strategies as needed.