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Lua i Stíl Chicago (17ú heag.)Rosen, Henryk. "The Concept of Alienation in Janusz Korczak's Works: Henryk Rosen." Dialectics and Humanism 1989.
Lua MLA (8ú heag.)Rosen, Henryk. "The Concept of Alienation in Janusz Korczak's Works: Henryk Rosen." Dialectics and Humanism, 1989.
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