คำพ้องรูปhttp://elsd.ssru.ac.th/arun_su/pluginfile.php/94/mod_page/content/2/%E0%B8%84%E0%B8%B3%E0%B8%9E%E0%B9%89%E0%B8%AD%E0%B8%87%E0%B8%A3%E0%B8%B9%E0%B8%9B%20%281%29.pptx