Kozusznik, B [United Nations International Children's Emergency Fund]. [electronic resource] - Pediatria polska Jun 1979 - 585-91 p. digital Publication Type: Historical Article; Journal Article ISSN: 0031-3939 Subjects--Topical Terms: ChildChild AdvocacyChild Welfare--historyHistory, 20th CenturyHumansInternational Agencies--historyInternational CooperationSwitzerlandWorld Health Organization