000 00408nam a22001457a 4500
008 230601b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _aR 016:05:37(4/9)
_bK3
245 _aEducational periodicals
_c/ UNESCO
260 _aFrance:
_bUNESCO,
_c1963
300 _a260p.
650 _aBibliography
653 _aEducation
942 _2udc
_cREF
999 _c37833
_d37833