00422cas a2200157 a 4500003000800000005001700008008004100025010001700066040002100083082001300104110001900117245006100136260002800197300002500225650001400250BD-DhUL20170417193027.0751101s1986    fr ar        i0 0 a0eng d  a   49048323   aBD-DhULcBD-DhUL04a370bUNI 2aUnited Nations00aInternational yearbook of education : bVol. 38, 1986 /   aParis :bUnesco,c1986.  av. :bill. ;c24 cm. 0aEducation