University for Peace. (2004). Peace and non-violent transformation on conflict: Study guide. University for Peace.
Chicago-viite (17. p.)University for Peace. Peace and Non-violent Transformation on Conflict: Study Guide. San José, Costa Rica: University for Peace, 2004.
MLA-viite (9. p.)University for Peace. Peace and Non-violent Transformation on Conflict: Study Guide. University for Peace, 2004.
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