/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: sarayuthsairaj https://cdn.slidesharecdn.com/profile-photo-sarayuthsairaj-48x48.jpg?cb=1523321935 รับพัฒนาระบบงาน Planing and Production Control Tel. 083-8215599