Dissertations 74 Dissertations, Academic 73 Water quality 8 Study and teaching (Secondary) 6 History 5 Heavy metals 4 Indigenous peoples 4 Islam 4 Islamic education 4 Islamic religious education 4 Sediments (Geology) 4 Study and teaching 4 Batek (Malaysian people) 3 Economic aspects 3 Ecotourism 3 Education 3 Environmental aspects 3 Geographic information systems 3 Land use 3 Management 3 Measurement 3 Religious aspects 3 River sediments 3 Social aspects 3 Bats 2 Da'wah (Islam) 2 Economic conditions 2 Forest biomass 2 Forests and forestry 2 Islamic ethics 2