000 00407nam a2200169Ia 4500
005 20250220125600.0
008 250220s9999||||xx |||||||||||||| ||und||
020 _a9231029074
040 _aMAIN
041 _aEnglish
082 _a540
_bNEW
245 _aNew trends in chemistry teaching
260 _aParis
_b; The Unesco Press
_c, 1981
300 _a269p.
_b, V.5
650 _aChemistry
942 _cBK
999 _c34959
_d34959