Designing Surveys: A Guide to Decisions and Procedures Autor Ronald Czaja et al. 30 noi 2004 Hardback Preț: 530.54 lei 680.17 lei 40-51 zile -22%
Applied Survey Sampling Autor Edward Blair et al. 3 feb 2015 Paperback Preț: 735.08 lei 807.78 lei 43-57 zile -9%