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平台:
EBSCOhost Academic Search Complete
(Available from 1992/01/01 until 2004/11/30.)
EBSCOhost Business Source Complete
(Available from 1992/01/01 until 2004/11/30.)
EBSCOhost Health Policy Reference Center
(Available from 1992/01/01 until 2004/11/30.)
EBSCOhost OmniFile Full Text Select
(Available from 1995/01/01 until 2004/11/10.)
EBSCOhost STM Source
(Available from 1992/01/01 until 2004/11/30.)
ProQuest Agricultural & Environmental Science Database
(Available from 1987/01/01 volume: 9 issue: 1 until 2004/11/30 volume: 26 issue: 9.)
ProQuest SciTech Premium Collection
(Available from 1987/01/01 volume: 9 issue: 1 until 2004/11/30 volume: 26 issue: 9.)