平台:
EBSCOhost Business Source Complete
(Available from 2002/08/01 until 2007/06/30.)
ProQuest SciTech Premium Collection
(Available from 1987/03/01 until 2007/06/30.)
EBSCOhost Business Source Complete
(Available from 2002/08/01 until 2007/06/30.)
ProQuest SciTech Premium Collection
(Available from 1987/03/01 until 2007/06/30.)