Describir: Operations research for public systems

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  / ___// | || | ||  /_   _//   / _ \\   | \| ||  |  ___||  | \| ||  /_   _// 
  \___ \\ | || | ||  `-| |,-   | / \ ||  |  ' ||  | ||__    |  ' ||   -| ||-  
  /    // | \\_/ ||    | ||    | \_/ ||  | .  ||  | ||__    | .  ||   _| ||_  
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