平台:
ProQuest Political Science Database
(Available from 1998/01/01 until 2018/07/31.)
ProQuest SciTech Premium Collection
(Available from 1998/01/01 until 2018/07/31.)
ProQuest Political Science Database
(Available from 1998/01/01 until 2018/07/31.)
ProQuest SciTech Premium Collection
(Available from 1998/01/01 until 2018/07/31.)