000 00457pab a2200181 454500
008 180718b2002 xxu||||| |||| 00| 0 eng d
100 _aEsteban, Soledad
245 _aLearning chemistry through distance education: the UNED experience
260 _c2002
300 _ap.68-70
362 _a28 Jan
650 _aChemistry
650 _aEducation
650 _aLearning
650 _aDistance education
773 _aUniversity News
909 _a51499
999 _c51499
_d51499