Study and teaching 21 Dissertations 20 Dissertations, Academic 18 Politics and government 15 Arabic language 14 Economic conditions 14 Islam 13 Banks and banking 10 Social conditions 8 Law and legislation 7 Nigeria 7 Economic aspects 6 History 6 Islamic education 6 Islamic law 6 Religion 6 Religious aspects Islam 6 Study and teaching (Secondary) 6 Education, Higher 5 English language 5 Poverty 5 Religious aspects 5 Yoruba (African people) 5 Academic libraries 4 Banks and banking, Islamic 4 Economic development 4 Ethnic conflict 4 Foreign relations 4 Hausa (African people) 4 Human rights 4