Islam 111 Missions 108 Da'wah (Islam) 67 Dissertations 34 Dissertations, Academic 34 Da`wah (Islam) 26 Muslim converts 10 Methodology 9 Religious aspects 9 Religious life 7 Daʻwah (Islam) 6 History 4 Indigenous peoples 4 Societies, etc 4 Mission 3 Religion 3 Social conditions 3 Apostasy 2 Batak (Indonesian people) 2 College students 2 Criticism, interpretation, etc 2 Da'wah 2 Drama 2 Islamic religious education 2 Kufr (Islam) 2 Mosques 2 Muslims 2 Prisoners 2 Social aspects 2 Social life and customs 2