平台:
EBSCOhost Business Source Complete
(Available from 2002/07/01 until 2009/03/31.)
ProQuest SciTech Premium Collection
(Available from 1998/01/12 until 2006/04/06.)
EBSCOhost Business Source Complete
(Available from 2002/07/01 until 2009/03/31.)
ProQuest SciTech Premium Collection
(Available from 1998/01/12 until 2006/04/06.)