000 002950000a22001210004500
008 140223b1979 xxu||||| |||| 00| 0 eng d
041 _aEnglish
100 _a:UNESCO
245 _aLEARNING AND WORKING,ED BY ZAGHLAD MORSY
260 _aPARIS
_bUNESCO
_c1979
650 _a
_a
906 _a:UNESCO
999 _c141903
_d141903