4Aguilar F J. Scanning the business environment [ M ]. New York : Macmillan Company, 1967.
5Daft R L, Sormunen J, Parks D. Chief executive scanning, environ- mental characteristics, and company performance: An empirical study [ J ]. Strategic Management Journal, 1988,9 (2) : 123 - 139.
6Auster E, Choo C W. Environmental scanning by CEOs in two Ca- nadian industries[J]. Journal of the American Society for Informa- tion Science,1993,44(4) :194-203.
7Elenkov D S. Strategic uncertainty and environmental scanning:The case for institutional influences on scanning behavior[ J ]. Strategic Management Journal, 1997,18 (4) :287 - 302.
8Aldehayyat J S. Environmental scanning in business organisations [ J ]. Management Research Review,2015,38 (5) :459 - 481.
9Bedford D, Harrison F. Leveraging environmental scanning methods to identify knowledge management activities in transportation[J]. Journal of Knowledge Management,2015,19 (3) :579 - 592.
10Hambrick D C. Environmental scanning and organizational strategy [ J ]. Strategic Management Journal, 1982,3 (2) : 159 - 174.
