000 00411nam a2200145 4500
005 20250604092337.0
008 250604b |||||||| |||| 00| 0 eng d
050 _aQD40. C4 1986
245 _aChemistry teaching and the environment
_cUNESCO
260 _aAmerica
_bUNESCO
_c1986
300 _a20p.
_bpbk
650 _aChemistry:
_vstudy and teaching (Higher)
650 _aEnvironmental chemistry
942 _cBK
999 _c14728
_d14728