أرسل هذا في رسالة قصيرة: Anticipated guilt and anti-littering civic engagement in an extended norm activation model

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