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nonkilling.org
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8th World Summit of Nobel Peace Laureates, Charter for a World without Violence. Rome, December 15, 2007.[3]Архивирано на сајту Wayback Machine (10. мај 2009)
wikiversity.org
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V. K. Kool and Rita Agrawal, "The Psychology of Nonkilling", in Toward a Nonkilling Paradigm, edited by Joám Evans Pim. Honolulu: Center for Global Nonkilling, 2009 [2].