/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: davidchiu967422 https://cdn.slidesharecdn.com/profile-photo-davidchiu967422-48x48.jpg?cb=1523468312 ŒWÁ•í˜·þ Obedience learning