| ID | 259288 |
| Call Number | UNESCo/MC.D.139/043246 |
| Title Proper | Trade Barriers is knowledge |
| Language | ENG |
| Author | United Nations Education Scientific and Cultural Organization |
| Publication | Paris, 1955. |
| Description | 366p |
| Price. Qualification | SIS Dep |
| Classification Number | UNESCo |