00777nam a2200229 a 450000100060000000300080000600500170001400800410003102000150007203500190008704000270010604100080013308200270014110000480016824501120021626000450032830000290037335000170040250000790041950400300049861000190052849962BD-RjUL20211209075434.0160823s1973    fr a     b   i000 0 eng    a9232010488  a(BD-RjUL)50082  aDLCcDLCdBD-RjULbeng  aeng00a341.2307223bABW 19791 aAbraham, Herbert J.q(Herbert John),d1904-10aWorld problems in the classroom :ba teacher's guide to some United Nations tasks /cby Herbert J. Abraham.  aParis :bUnesco,cc1973 [reprinted 1979]  a223 p. :bill. ;c21 cm.  a$4.00 (U.S.)  aLabel mounted on t.p.: Unipub, Inc., New York, exclusive U.S. distributor.  aBibliography: p. 212-215.20aUnited Nations