United nations industrial development organization. (1992). Regional consultation on the petrochemical industry in the Arab coutries: Report. Innsvruck.
Чикаго маягийн жагсаалтUnited nations industrial development organization. Regional Consultation on the Petrochemical Industry in the Arab Coutries: Report. Austria: Innsvruck, 1992.
MLA ишлэлUnited nations industrial development organization. Regional Consultation on the Petrochemical Industry in the Arab Coutries: Report. Innsvruck, 1992.
Warning: These citations may not always be 100% accurate.