Missions Islam 110 Da'wah (Islam) 69 Dissertations 39 Dissertations, Academic 39 Da`wah (Islam) 23 Muslim converts 10 Religious aspects 9 History 8 Methodology 8 Daʻwah (Islam) 6 Religious life 6 Christianity 4 Indigenous peoples 4 Societies, etc 4 Criticism, interpretation, etc 3 Relations 3 Social conditions 3 Apostasy 2 Batak (Indonesian people) 2 College students 2 Da'wah 2 Drama 2 Islamic religious education 2 Kufr (Islam) 2 Mosques 2 Muslims 2 Religion 2 Social aspects 2 Social life and customs 2