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平台:
DOAJ Directory of Open Access Journals
(Available from 2014.)
ProQuest Agricultural & Environmental Science Database
(Available from 2014/01/01 volume: 29 issue: 1 until 2021/01/31 volume: 36 issue: 1.)
ProQuest SciTech Premium Collection
(Available from 2014/01/01 volume: 29 issue: 1 until 2021/01/31 volume: 36 issue: 1.)