Despite UN's achievements, job of decolonization remains incomplete, Secretary-General tells Pacific Regional Seminar in Papua New Guinea : [message, on the occasion of the opening of the Pacific Regional Seminar on Decolonization and the observance of the Week of Solidarity with the Peoples of the Non-Self Governing Territories, Papua New Guinea, 18-20 May 2004] / [on behalf of the Secretary-General by the Acting Chief, Decolonization Unit, Department of Political Affairs]