http://digfir-published.macmillanusa.com/video_human_comm_accessible/video_human_comm_accessible_ch256.html
Chapter
256. Supporting material (neutral) (NEEDS IMPROVEMENT)
59d767477894d2dd7a000002
http://digfir-published.macmillanusa.com/video_human_comm_accessible/video_human_comm_accessible_ch256_dlap.xmlDLAP questions59d767477894d2dd7a000002