/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: femariec https://cdn.slidesharecdn.com/profile-photo-femariec-48x48.jpg?cb=1581508722 It is not enough to do your best; you must know what to do, and THEN do your best. --W. Edwards Deming