A delegation comprising participants of the 4th summer course for teachers of Arabic at Indonesian universities and second summer course of Arabic teachers at Senegalese schools, organized by the institute of Arabic language for non-Arabic speakers at Umm Al-Qura university, visited the headquarters of the Muslim World League (MWL) on Saturday. MWL's Assistant Secretary General Sheikh Mohammed Bin Nasser Al-Abboudi briefed the delegation on the activities of the MWL.