| Type |  Book |
| ชื่อเรื่อง | Plunkett's consulting industry almanac [electronic resource] : the only comprehensive guide to the consulting industry / Jack W. Plunkett |
| ผู้แต่ง | Plunkett, Jack W |
| ISBN | 1593923341 (electronic bk.) |
| พิมพลักษณ์ | Houston, Tex. : Plunkett Research Ltd., c2003 |
| หัวเรื่อง | Consulting firms --United States --Directories [] |
| | Consulting firms --United States --Statistics [] |
| | Consulting firms --United States [] |