Koźusznik, B <br/><br/>
[20 years of the International Children's Fund of the United Nations].  [electronic resource] 

 -  Zdrowie publiczne  Jan 1967 
 - 3-11 p.  digital 
<br/><br/> Publication Type: Historical Article; Journal Article 
<br/><br/><label>ISSN: </label>0044-2011 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Child Care--history<br/>Child, Preschool<br/>History, 20th Century<br/>Humans<br/>International Cooperation--history