TUNIS (TAP) - The Islamic Corporation for the Development of the Private Sector ( ICD ) stemming from the Islamic Development Bank (IDB), is finishing off a study on creating a free trade zone in Ben Guerdene, in the governorate of Medenine, ICD Executive Director Khaled Aboudi pointed out at the end of a meeting, on Wednesday, with Investment and International Co-operation Minister Riadh Bettaieb