Bạn ơi, bạn check lại xem, mình k thấy bạn là ref nè :(
http://mmo4vn.com/showthread.php?23372-Tuyen-ref-Incrasebux-refback-100-&p=314451&viewfull=1#post314451
http://mmo4vn.com/showthread.php?23372-Tuyen-ref-Incrasebux-refback-100-&p=314451&viewfull=1#post314451