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

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發送短信 : An analytical framework of science parks and technology districts with an application to Singapore