平台:
EBSCOhost Academic Search Complete
(Available from 1999/09/01 until 2001/07/31.)
EBSCOhost Business Source Complete
(Available from 1999/09/01 until 2001/07/31.)
EBSCOhost STM Source
(Available from 1999/09/01 until 2001/07/31.)
EBSCOhost Academic Search Complete
(Available from 1999/09/01 until 2001/07/31.)
EBSCOhost Business Source Complete
(Available from 1999/09/01 until 2001/07/31.)
EBSCOhost STM Source
(Available from 1999/09/01 until 2001/07/31.)