A Decade of the HDP Nexus: Key Challenges, Lessons Learned, and Evaluation and Lessons Learned in English on World about Coordination and Peacekeeping and Peacebuilding; published on 5 Nov 2026 by C4NS. Evaluation and Lessons Learned in English on World about Coordination and Peacekeeping and Peacebuilding; published on 5 Nov 2026 by C4NS.