000 00665nam a22002297a 4500
003 OSt
005 20181029093250.0
008 181029b xxu||||| |||| 00| 0 eng d
010 _a673390
020 _a9230010014
040 _aLB-BrCRDP
082 _a540.7 U56n
110 _aUnesco.
245 _aNew trends in chemistry teaching = Tendances nouvelles de l'enseignement de la chimie.
260 _aParis
_b Unesco,
_c1972
300 _a325p
_c27cm
490 _aTeaching of basic sciences.
_vVol III
630 _a Chemistry -- Study and teaching.
630 _aChemistry -- education. Química
630 _a Estudio y enseñanza.
942 _2ddc
_cBK
999 _c21995
_d21995