The Arab Economic and Social Council wound up its extraordinary session held in Cairo today under the chairmanship of Mauritania's Minister of Economic Affairs and Development Sidi Wild Didi. The ministers, their deputies and Arab League Secretary General Amr Moussa dealt with a number of issues of concern to the Arab nation's economic and social planners. Dr. Hamad Albaze'a, Undersecretary of the Ministry of Finance for Economic Affairs, led the Saudi delegation to the meeting.