| 1. | Increasing ROI | Lipton, David (October 2002). Foodservice and Hospitality. |
| 2. | Staff Training | Lipton, David (September 2002). Foodservice and Hospitality. |
| 3. | Augmenter la rentabilité | Lipton, David (October 2002). Foodservice and Hospitality. |
| 4. | Formation du personnel | Lipton, David (September 2002). Foodservice and Hospitality. |

French