/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: wichetchai https://cdn.slidesharecdn.com/profile-photo-wichetchai-48x48.jpg?cb=1569049109 ติึϸ•à¹ˆà¸­à¹„ด้ที่084-685-2398