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Frederick H. Wentz (2012) Soft Skills Training: A Workbook to Develop Skills for Employment Wentz, F. (2012). Soft Skills Training: A Workbook to Develop Skills for Employment. Charleston, SC.
Katie Daisy (2016) How to Be a Wildflower: A Field Guide Daisy, K. (2016) How to Be a Wildflower: A Field Guide. Chronicle Books LLC
David Allen (2015) Getting Things Done: The Art of Stress-Free Productivity Allen, D. (2015) Getting Things Done: The Art of Stress-Free Productivity. Penguin Books; Revised edition