Does UN peacekeeping work? Give reasons for your answer.

Please use these three listed readings as a guide/ references to write the essay (do not plagiarise, cite them in the bibliography) :
1. Doyle, Michael W. and Nicholas Sambanis, ?International Peacebuilding: A Theoretical and Quantitative Analysis,? American Political Science Review 94, no. 4 (2000): 779-801
2. Fortna, Virginia Page. ?Does Peacekeeping Keep Peace? International Intervention and the Duration of Peace After Civil War,? International Studies Quarterly 48, no.2 (2004): 269-292.
3. Paris, Roland ?International Peacebuilding and the ?Mission Civilisatrice?,? Review of International Studies 28, no. 4 (2002): 637-56.
Please also be sure to have a complete bibliography e.g.. page number etc. If using quotes, please be sure to cite them.