Epstein, Robert
The big book of stress relief games: quick, fun activities for feeling better
McGraw-Hill, 2000
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Heermann, Barry
Building team spirit: activities for inspiring and energizing teams / Barry Heermann
McGraw-Hill, 1997
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Deming, Vasudha Kathleen
The big book of leadership games : quick, fun activities to improve communication, increase productivity, and bring out the best in your employees
McGraw-Hill, 2004
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Newstrom, John W.
The Big book of business games : icebreakers, creativity exercises, and meeting energizers
McGraw-Hill, 1995
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Nystrom, Harry
Creativity and innovation
John Wiley & Sons, 1979
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