[The Korczak problem at international conventions in Giessen (May 23-25, 1973) and Basle (May 28-June 2, 1973)].
D002668:Child Rearing; D003226:Congresses as Topic; D005860:Germany, West; D007391:International Cooperation; D010372:Pediatrics; D011044:Poland; D013557:Switzerland
Korczakowska problematyka zjazdów miedzynarodowych w Giessen (23-25.V. 1973 r.) i w Bazylei (28.V-2.VI. 1973 r.)