International trade and the marketing of petrochemical. /
International trade and the marketing of petrochemical. /
The Unido secretariat.
- Austria: United Nations industrial development organization, 1985.
- Various Pages: Illustration,Graphs.
In English
Pbk.
Trade marketing
Petrochemical
530 INT 1985
In English
Pbk.
Trade marketing
Petrochemical
530 INT 1985