David, Charles-Philippe et Francisco-José Valiente, " The White Helmets and Peacebuilding ", White Helmets, vol. 2, no. 2 (April-June 1998), pp. 16-19.
David, Charles-Philippe et Francisco-José Valiente, " The White Helmets and Peacebuilding ", White Helmets, vol. 2, no. 2 (April-June 1998), pp. 16-19.
