closed vs open vs adaptive system Posted on May 12, 2016 by Kenneth Udut Leave a comment closed vs open vs adaptive system Attachments semi-perm (65.81 KB12.05.2016)[responsivevoice_button voice="US English Male"] Leave a comment Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment. one × 6 = Leave a Reply