Monday Greek-Serbian business and economic relations conference at Zappeion’s Aigli venue at 9 a.m. The keynote address will be given by Deputy Foreign Minister Evripidis Stylianidis and speakers include Serb Minister for International Financial Affairs Predrag Bubalo, Minister of International Capital Investments Velimir Ilich and Tourism Minister Bojan Dimitrijevic. Tel. 210.728.900. Greek defense industry contractors host the international conference «Armaments, Cooperation and the Economy.» Defense Minister Spilios Spiliotopoulos to speak. Annual exhibition of International Ship Suppliers at the Leda Marriott Hotel in Athens closes today. Tuesday Opening of the Third Professional Car Exhibition at the old Athens airport on Vouliagmenis Avenue in Hellenikon. The exhibition runs to October 11 and is open daily from 2 – 10 p.m. and Saturday-Sunday from 10 a.m. – 10 p.m. Thursday One-day conference on «Business to Business Marketing Leadership: The 21st Century Challenges,» held by the Greek Academy of Marketing and the Federation of Greek Industries, takes place at Athens Concert Hall. The main speaker is Professor Benson P. Shapiro of Harvard Business School. Athens Concert Hall, 1 Kokkali & Vas. Sofias, tel 210.728.2000. For information, tel 210.820.3852. Infosystem 2004 exhibition opens at Helexpo center in Thessaloniki and runs to Sunday. Highlights include expos by Microsoft and Compuware, as well as a series of corporate lectures and a congress on information technology on Thursday. Opening hours: Thursday-Friday 12.00 – 9 p.m.; Saturday-Sunday 11 a.m. – 9 p.m. Fifth Prodexpo Real Estate and Development Conference and Expo is to take place at the Athenaeum Intercontinental Hotel on Thursday and Friday. Events begin on Thursday at 10.30 a.m. and information is available on tel 210.728.9000.