al-Quyud al-jumrukiyah wa tatawwur al-tijarah al-kharijiyah lil duwal al-akhadhah fi al-numuw - Khalaf, Khalaf'Abd Jabir (al-Qahirah : Dar al-Fikr al-'Arabi)
Thesis (Ph.D).
Keywords: Dissertations, Academic -- Egypt; Tariff -- Developing countries; Customs administration