Internet, mail, and mixed-mode surveys : the tailored design method.
Dillman, Don A.
Internet, mail, and mixed-mode surveys : the tailored design method. Don A. Dillman - Hoboken NJ : 2009 - 499p.: 22cm
9780471698685(hbk)
300.723 DIL-I 2009 11501
Internet, mail, and mixed-mode surveys : the tailored design method. Don A. Dillman - Hoboken NJ : 2009 - 499p.: 22cm
9780471698685(hbk)
300.723 DIL-I 2009 11501