Viorica, Elena Daniela - In: Analele Stiintifice ale Universitatii "Alexandru Ioan … 55 (2008) November, pp. 371-380
Sampling surveys are more than often affected by non-response. More so, the process of data collection is practically never free of non-response. Because of the damage that it has on survey estimates, taking measures of prevention and the treating for non-response it is clearly necessary....