http://digfir-published.macmillanusa.com/comer10ere/comer10ere_ch12_ex1.html
Chapter
ch01. Research Exercise
5acc897b7894d2d63e000000
http://digfir-published.macmillanusa.com/comer10ere/comer10ere_ch12_ex1_dlap.xmlDLAP questions5acc897b7894d2d63e000000