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World problems in the classroom / Herbert J. Abraham.

by Abraham, Herbert John, 1904-.

Series: Educational studies and documents; new series; 41Material type: Text Text; Literary form: Not fiction Publication details: Paris : UNESCO, 1981Availability: Items available for reference: Disponible (Préstamo en sala) (1) . Collection(s): UNESCO Call number: 341.123 (07) =20 ABR No. 41.

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