The big book of people skills games [quick, effective activities for making great impressions, boosting problem-solving skills, and improving customer service]
| Prif Awdur: | |
|---|---|
| Awduron Eraill: | |
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
New York
McGraw-Hill
2010.
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| Pynciau: |