TY - BOOK AU - Christof Wolf...[et al.] TI - Sage handbook of survey methodology SN - 9781446282663 U1 - 001.433 SAG- PY - 2016/// CY - Los Angeles PB - Sage Publications KW - Surveys KW - Methodology KW - Sampling KW - Statistical service KW - Research KW - methodology N1 - includes index ER -