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平台:
DOAJ Directory of Open Access Journals
(Available from 2011.)
ProQuest Agricultural & Environmental Science Database
(Available from 2015/01/01 until 2022/12/31. Available from 2024/01/01.)
ProQuest SciTech Premium Collection
(Available from 2015/01/01 until 2022/12/31. Available from 2024/01/01.)