Follow-up action at the regional level on United Nations world conferences and ECWA regional meetings : Expert Group Meeting on the Development of the Petrochemical Industry in the ECWA region, Vienna, 9-12 June 1981 : note / by the Executive Secretary.
Follow-up action at the regional level on United Nations world conferences and ECWA regional meetings : Expert Group Meeting on the Development of the Petrochemical Industry in the ECWA region, Vienna, 9-12 June 1981 : note / by the Executive Secretary.
إمكانية الوصول
English:E_ECWA_147-EN - PDF ; العربية:E_ECWA_147-AR - PDF ;
