Dr. Nabil Al-Arabi, Secretary General of the Arab League (AL), stressed the importance of the 3rd Arab economic and social developmental summit to be held in Riyadh on Monday and Tuesday. In a statement to Saudi Press Agency (SPA), Dr. Al-Arabi hoped that this summit will support economic and social cooperation among Arab countries. He added that the summit is prepared well and the Kingdom of Saudi Arabia provided all facilitations in order to success the summit, anticipating that the summit will issue historical outcomes.