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

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發送短信 : On the class of weak CS-modules / Preecha Jantagan