Authors: ANDERSON BA PUUR A SILVER BD SOOVA H VOORMANN R

Citation: Ba. Anderson et al., USE OF A LOTTERY AS AN INCENTIVE FOR SURVEY PARTICIPATION - A PILOT SURVEY IN ESTONIA, International journal of public opinion research, 6(1), 1994, pp. 64-71

Authors: ANDERSON BA KATUS K PUUR A SILVER BD

Citation: Ba. Anderson et al., THE VALIDITY OF SURVEY RESPONSES ON ABORTION - EVIDENCE FROM ESTONIA, Demography, 31(1), 1994, pp. 115-132