/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: underfoodtech https://cdn.slidesharecdn.com/profile-photo-underfoodtech-48x48.jpg?cb=1738898615 ๶ÄึϹ‡à¸�หà¸�ิงพรสุดา