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Azzarello, Patty. Rise: how to be really successful at work and like your life. United States: Newton Park Pub., 2011. Print. ISBN 978-0615415772.


Bolton, Robert. People skills: how to assert yourself, listen to others, and resolve conflicts. New York: Simon & Schuster, 1986. Print. ISBN 978-0671622480.


Butterfield, Jeff. Problem solving and decision making: soft skills for a digital workplace. Boston, Mass.: Course Technology, Cengage Learning, 2010. Print. ISBN 978-1439041147.


Johnson, Spencer. Who moved my cheese?: an a-mazing way to deal with change in your work and in your life. New York: Putnam, 1998. Print. ISBN 978-0399144462.


Klaus, Peggy, Jane M. Rohman, and Molly Hamaker. The hard truth about soft skills: workplace lessons smart people wish they'd learned sooner. New York, NY: Collins, 2007. Print. ISBN 978-0061284144.


McKay, Matthew, Martha Davis, and Patrick Fanning. Messages: the communication skills book. 3rd ed. Oakland, Calif.: New Harbinger Publications, 2009. Print. ISBN 978-1572245921.