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Doing survey research : a guide to quantitative methods
Nardi, Peter M., (2003)
Nardi, Peter M., (2006)
Method and meaning in polls and surveys
Schuman, Howard, (2008)
Chance, statistics, sampling
Kish, Leslie, (1985)
Multipopulation survey designs : five types with seven shared aspects
Kish, Leslie, (1994)
Developing statistics in China
Kish, Leslie, (1989)