/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: takachittn https://cdn.slidesharecdn.com/profile-photo-takachittn-48x48.jpg?cb=1523587816 ๶Äหงาà¹�ทนà¸�ัà¸È¨¹„ึϹ‰à¹„หม