Infections, poverty, Tropical diseases, Native peoples, Education, Nutrition, Disease prevention, Educational attainment, Arctic medicine. Tropical medicine, RC955-962, RA1-1270, Public aspects of medicine, Chemotherapy, Research & development, R&D, Estudio y enseñanza
Infections, poverty, Research & development–R&D, Tropical diseases, Native peoples, Education, Nutrition, Disease prevention, Educational attainment, Chemotherapy, Estudio y enseñanza
Dewey: 639.2, 639.2, Aquaculture Climatic factors., Fisheries Climatic factors.
Archaeology, Editors, Cultural heritage
Human ecology, Sustainable development, Environmental Economics, development, etc, Handbooks, manuals, BUSINESS & ECONOMICS, Estudio y enseñanza, Estudio y enseñanza