Designing Surveys: A Guide to Decisions and Procedures, Third edition by Johnny Blair, Ronald F. Czaja, et al. English | 2013 | ISBN: 1412997348 | 440 pages | PDF conv | 6 MB
Designing and Conducting Business Surveys By Ger Snijkers, Gustav Haraldsen, Jacqui Jones, Diane K. Willimack(eds.) 2013 | 640 Pages | ISBN: 047090304X | PDF | 13 MB