/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: pongphopbangworakul https://cdn.slidesharecdn.com/profile-photo-pongphopbangworakul-48x48.jpg?cb=1523398535 ช่วงà¸È¨¸µà¹‰à¹„ม่รู้เป็à¸È¨¸­à¸°à¹„ร