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 _    _     _____     ______     ___      _____   
| || | ||  |  ___||  /_   _//   / _ \\   /  ___|| 
| || | ||  | ||__    `-| |,-   | / \ || | // __   
| \\_/ ||  | ||__      | ||    | \_/ || | \\_\ || 
 \____//   |_____||    |_||     \___//   \____//  
  `---`    `-----`     `-`'     `---`     `---`

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發送短信 : KEBIJAKAN PERSEDIAAN (s, Q) DAN (R, S) PADA MODEL PERSEDIAAN DETERMINISTIK DAN STOKASTIK