/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: mntrib https://cdn.slidesharecdn.com/profile-photo-mntrib-48x48.jpg?cb=1523669171 ยาวเป็à¸È¨¸«à¸²à¸‡à¸§à¹ˆà¸²à¸§