Michael Porter Websites
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Birdwatching Dot Com - About Wild Birds and Birding
Birdwatching is your lifetime ticket to the theater of nature. Here are birding tips, software and CDs, birding binoculars and scopes, books, videos, stories and lore.
1,154,324 
$ 1,200.00
ProvenModels - Management Models | Management Theory | Business Models |...
Find & use the world's greatest management thinkers. Access a premier library of reusable and exchangeable management models serving a community of MBA graduates, executives,...
4,988,222 $ 240.00