أرسل هذا في رسالة قصيرة: Effect of carboxymethyl cellulose concentration on physical properties of biodegradable cassava starch-based films

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