Edison Study: Teen Radio Listening Down http://www.fmqb.com/Article.asp?id=274456
Read Write Think Lesson: Audio Listening Practices: Exploring Personal Experiences with Audio Texts
http://www.readwritethink.org/lessons/lesson_view.asp?id=873
Study: Radio Listening Hasn't Changed Much in 5 Years http://www.mediabuyerplanner.com/2006/09/18/study_radio_listening_hasnt_cha/index.php