title: The systems approach yields solution choices for environmental quality control.
mesh_terms: D000367:Age Factors; D003201:Computers; D003365:Costs and Cost Analysis; D003657:Decision Making; D004463:Ecology; D004777:Environment; D006801:Humans; D008824:Michigan; D008962:Models, Theoretical; D011158:Population Growth; D012499:Sanitation; D013597:Systems Analysis