000 00408 a2200181 4500
003 ISURu
005 20240721202639.0
020 _a9231016660
041 _aeng
082 _a372.35
_bUNE
090 _d56597
100 _aUnesco
_992955
245 _aUnesco handbook for science teachers
260 _aParis
_bUnesco
_c1980
_g1980
300 _a199 p.
942 _cPR
999 _c47139
_d56597
945 _dMain Library ADMIN
_c26318