Lyberg, L & Stukel D.M. (2010) Quality Assurance and Quality Control in Cross-National Comparative Studies. In J.A. Harkness, M. Braun, B. Edwards, T.P. Johnson, L. Lyberg, P.P. Mohler, B. Pennell, T.W. Smith(Eds.) Survey Methods in Multinational, Multiregional, and Multicultural Contexts. (ch. 13). Hoboken, NJ. John Wiley & Sons