平台:
EBSCOhost Business Source Complete
(Available from 2009/02/11 until 2011/01/31.)
EBSCOhost Science Reference Center
(Available from 2009/02/11 until 2011/01/31.)
EBSCOhost Business Source Complete
(Available from 2009/02/11 until 2011/01/31.)
EBSCOhost Science Reference Center
(Available from 2009/02/11 until 2011/01/31.)