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平台:
DOAJ Directory of Open Access Journals
(Available from 2000 until 2019.)
EBSCOhost Academic Search Complete
(Available from 2001/01/01.)
EBSCOhost Environment Complete
(Available from 1993/01/01.)
EBSCOhost Health Policy Reference Center
(Available from 2001/01/01.)
EBSCOhost OmniFile Full Text Select
(Available from 2003/01/01.)
EBSCOhost STM Source
(Available from 2001/01/01.)
ProQuest Agricultural & Environmental Science Database
(Available from 1996/11/01.)
ProQuest Political Science Database
(Available from 1996/11/01 volume: 74 issue: 6.)
ProQuest SciTech Premium Collection
(Available from 1996/11/01 volume: 74 issue: 6.)