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Incoming Resources
- The one minute $ales person, Spencer Johnson
- Who moved my cheese?, an amazing way to deal with change in your work and in your life, Spencer Johnson
- Who moved my cheese?, for teens, Spencer Johnson
- Who moved my cheese?, Spencer Johnson
- Out of the maze, an a-mazing way to get unstuck, Spencer Johnson, M.D
- Quién se ha llevado mi queso?, una manera sorprendente de afrontar el cambio en el trabajo y en la vida privada, Spencer Johnson ; [traducción, José M. Pomares]