/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: beer41604 https://cdn.slidesharecdn.com/profile-photo-beer41604-48x48.jpg?cb=1522967959 อยาà¸�รู้à¸�็ถาม๶Äลยึϸ´