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Interviewer effects on non-response propensity in longitudinal surveys: a multilevel modelling approach
Vassallo, Rebecca, (2015)
Missing data methods in official statistics in the United Kingdom : some recent developments
Durrant, Gabriele B., (2006)
The correlates of natural method use in Moldova; are natural methods associated with poverty and isolation?
Lyons-Amos, Mark J., (2008)