Bijinesu shinku
Year unknown
Dave Marcum, Smith, Steve, Mahan Khalsa, and Chikara Suzuki
businessThink
Year unknown
Business Think
Year unknown
Dave Marcum, Steve Smith, and Mahan Khalsa
Egonomics
Year unknown
Dave Marcum, David Marcum, and Steven Smith
Mental gagnant
Year unknown
Dave Marcum, Steve Smith, Mahan Khalsa, and Stephen R. Covey
Fetched from OpenLibrary. Some translations may appear as separate works.