| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Social Entrepreneur's Handbook: How to Start, Build, and Run a Business That Improves the World | 978-O-O7-175O29-5 (O-O7-175O29-O) | 2011 |
R. S. · Robert Sablatnig · Robert Sheffield · Robert Sibbald · Robert Spalding