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平台:
DOAJ Directory of Open Access Journals
(Available from 2009.)
EBSCOhost Academic Search Complete
(Available from 2011/05/01.)
EBSCOhost OmniFile Full Text Select
(Available from 2011/05/01.)
EBSCOhost STM Source
(Available from 2011/05/01.)
ProQuest Agricultural & Environmental Science Database
(Available from 2009/01/01 until 2019/12/31. Available from 2022/01/01.)
ProQuest SciTech Premium Collection
(Available from 2009/01/01 until 2019/12/31. Available from 2022/01/01.)
PubMed Central Open Access
(Available from 2011 volume: 5.)