أرسل هذا في رسالة قصيرة: OPERATIONS RESEARCH MODELS FOR MUNICIPAL WASTE MANAGEMENT SYSTEMS DESIGN

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   | ||   | || | ||  `____ `  | || | ||  | |_| || 
  _| ||   | \\_/ ||  /___//   | \\_/ ||  | .  //  
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 `--`       `---`    /_//       `---`    `-` --`  
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