Missions 120 Islam 116 Da'wah (Islam) 69 Dissertations 39 Dissertations, Academic 39 Da`wah (Islam) 26 Muslim converts 10 History 9 Methodology 9 Religious aspects 9 Religious life 7 Christianity 6 Daʻwah (Islam) 6 Missions to Muslims 5 Indigenous peoples 4 Relations 4 Social conditions 4 Societies, etc 4 Christianity and other religions 3 Criticism, interpretation, etc 3 Mission 3 Religion 3 Apostasy 2 Batak (Indonesian people) 2 College students 2 Da'wah 2 Drama 2 Islamic religious education 2 Kufr (Islam) 2 Mosques 2