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_d36221
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008 180712s9999 xx 000 0 und d
020 _a9231026666
041 _aEN
082 _a371.35
_bSCI
_223
245 _aSCIENCE education worldwide
_c/edited by Robert Morris
260 _aParis
_bUNESCO
_c1990
300 _a242 p.
509 _aNS
650 _aDistance education
700 _9115923
_aMorris, R.
_eedt
942 _cS