平台:
EBSCOhost Business Source Complete
(Available from 1999/07/01.)
ProQuest SciTech Premium Collection
(Available from 1997/03/01 until 2012/08/31. Available from 2013/05/01.)
EBSCOhost Business Source Complete
(Available from 1999/07/01.)
ProQuest SciTech Premium Collection
(Available from 1997/03/01 until 2012/08/31. Available from 2013/05/01.)