平台:
EBSCOhost Business Source Complete
(Available from 2003/08/01.)
ProQuest SciTech Premium Collection
(Available from 2002/01/01. Available from 1997/01/06 until 1999/12/31.)
EBSCOhost Business Source Complete
(Available from 2003/08/01.)
ProQuest SciTech Premium Collection
(Available from 2002/01/01. Available from 1997/01/06 until 1999/12/31.)