[Tourangeau, R. (2014). Defining Hard-to-Survey Populations. In Hard-to-Survey Populations, R. Tourangeau, B. Edwards, T.P. Johnson, K.M. Wolter, and N. Bates (eds). Cambridge: Cambridge University Press, (In Press).10.1017/CBO9781139381635]Search in Google Scholar
[Tourangeau, R., Edwards, B., Johnson, T.P., Wolter, K.M., and Bates, N. (2014). Hard-to- Survey Populations. Cambridge: Cambridge University Press, (In Press).10.1017/CBO9781139381635]Search in Google Scholar