Prince Bandar Ibn Salman Ibn Mohammed, Advisor to the Custodian of the Two Holy Mosques, and the Chairman of Islamic Call Committee in Africa, received here last night 40 scholars and preachers representing 40 African countries participating in the 20th meeting hosted by the Islamic University in Madinah. Addressing the scholars, most of them are graduates from the University, the Prince stressed that planning, coordination and communication between preachers and the rejection of differences are means for call salvation and real deterrents to the enemies of Islam.