000 00334nam a2200133Ia 4500
008 211215s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aUnesco
245 0 _aWorld illiteracy at mid-century.
260 _bUNESCO
_aPARIS
_c1957
300 _a200p p.
653 _aEDUCATION
942 _c1
999 _c63187
_d63187