發送短信 : Evaluation of the impact of E-procurement on buyers and suppliers in a value chain

 _    _     _____    _____     _    _    _    _   
| |  | ||  |  ___|| |  __ \\  | || | || | || | || 
| |/\| ||  | ||__   | |  \ || | || | || | || | || 
|  /\  ||  | ||__   | |__/ || | \\_/ || | \\_/ || 
|_// \_||  |_____|| |_____//   \____//   \____//  
`-`   `-`  `-----`   -----`     `---`     `---`