"Keep children smiling in the new millennium" : conference to mark the 10 anniversary of the adoption by the UN Genera l Assembly of the Convention on the Rights of the Child, 27-28 Septemb er 1999 r., Warsaw / / a project of the Jolanta Kwaśniewska Fundation "Communication WithoutBarriers".
    Warszawa : [b.w.], 1999. 89 s. : il. : 30 cm.
   
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Z.99369        UKD: 341.231.14-053.2(061)=20