Zakat 18 Islam 8 Taxation (Islamic law) 8 Management 6 Religious aspects 6 Economics 4 Charities 3 Dissertations 2 Dissertations, Academic 2 Slaves 2 College students 1 Da'wah (Islam) 1 Finance 1 History 1 Human capital 1 Islamic law 1 Maqasid (Islamic law) 1 Muslim converts 1 Muslim teachers 1 Poor 1 Religious life 1