平台:
EBSCOhost Business Source Complete
(Available from 2000/03/01 until 2001/11/30.)
ProQuest SciTech Premium Collection
(Available from 2002/03/01 until 2010/05/31.)
EBSCOhost Business Source Complete
(Available from 2000/03/01 until 2001/11/30.)
ProQuest SciTech Premium Collection
(Available from 2002/03/01 until 2010/05/31.)