United Arab Republic. Idārah al-Markazīyah lil-Iḥṣāʼ.
European Customs Union Study Group.
Howard L. Friedenberg
Unknown Author
World Customs Organization
Customs Co-operation Council
Saw, Swee-Hock
Indonesia. Departemen Perindustrian. Biro Data dan Analisa
Indonesia. Badan Pengembangan Ekspor Nasional
United Arab Republic. Jihāz al-Markazī lil-Taʻbiʼah al-ʻĀmmah wa-al-Iḥṣāʼ
Arturo Jarque L.
Commission of the European Communities
Delgado, Juan B.
Customs Co-operation Council. General Secretariat.
Carlos Ramos Díaz