TY - GEN AU - Koźusznik,B TI - [20 years of the International Children's Fund of the United Nations] SN - 0044-2011 PY - 1967///1118 KW - Child Care KW - history KW - Child, Preschool KW - History, 20th Century KW - Humans KW - International Cooperation N1 - Publication Type: Historical Article; Journal Article ER -