Dissertations, Academic (Ph.D) 7 Industrial Wastes and Effluents 7 Pollution and Degradation 6 Bioremediation 5 Economics 5 TRIBAL MEDICINE; 5 Thesis (Ph.D)-Botany 5 Biotechnology 4 Literature 4 Plants 4 Poverty 4 Spanish fiction 4 Water pollution 4 Economic policy 3 Environment 3 Ethics 3 Factory and trade waste 3 Fermentation 3 Heavy metals 3 History 3 Latin American poetry 3 Literature English 3 MEDICINAL PLANTS; 3 Medicinal plants 3 Medicine 3 Novel 3 Plant Production 3 Plant Wastes 3 Social change 3 Sociology 3