ºÝºÝߣshows by User: ssuser8f58c8 / http://www.slideshare.net/images/logo.gif ºÝºÝߣshows by User: ssuser8f58c8 / ºÝºÝߣShare feed for ºÝºÝߣshows by User: ssuser8f58c8 https://cdn.slidesharecdn.com/profile-photo-ssuser8f58c8-48x48.jpg?cb=1523654024 ศึà¸à¸©à¸²à¸•à¹ˆà¸­à¸¡à¸«à¸²à¸§à¸´à¸—ยาลัยสุโขทัยธรรมธิราช