Dissertations 68 Dissertations, Academic 67 Water quality 7 Study and teaching (Secondary) 6 History 5 Heavy metals 4 Islam 4 Islamic education 4 Islamic religious education 4 Sediments (Geology) 4 Study and teaching 4 Ecotourism 3 Geographic information systems 3 Indigenous peoples 3 Management 3 Measurement 3 Religious aspects 3 River sediments 3 Social aspects 3 Batek (Malaysian people) 2 Da'wah (Islam) 2 Economic aspects 2 Economic conditions 2 Education 2 Environmental aspects 2 Forest biomass 2 Forests and forestry 2 Islamic ethics 2 Land use 2 Landslides 2