LEADER 00000nam 2200193 a 4500 001 0627656 003 UkHlHU 007 t 008 002904 2 1946 000 eng 040 UkHlHU 050 4 JN5 I6 110 2 International bureau of education. 245 10 Equality of opportunity for secondary education. 260 Geneva,|c1946. 300 0000p. 650 0 Education.
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