平台:
ProQuest Political Science Database
(Available from 2012/06/01 until 2019/10/31.)
ProQuest SciTech Premium Collection
(Available from 2012/06/01 until 2019/10/31.)
ProQuest Political Science Database
(Available from 2012/06/01 until 2019/10/31.)
ProQuest SciTech Premium Collection
(Available from 2012/06/01 until 2019/10/31.)