Environmental Monitoring, Polypropylenes - analysis, Vietnam, Plankton, Rivers - chemistry, Waste Products - analysis, Estuaries, Polyethylene - analysis, Plastics - analysis, Water Pollutants, Chemical - analysis, Waste Products - statistics & numerical data
Economic aspects, Evaluation, Statistical analysis, Usage, Peace, STATES, Civil war, State government, Mathematical statistics, Rebellions, Postwar reconstruction, Peace studies
Archaeology, Editors, Cultural heritage