TY - BOOK AU - Sapsford, Roger TI - Survey research SN - 0761955283 U1 - 301.0723 PY - 1999/// CY - New Delhi: PB - Sage Publications India Pvt. Ltd. KW - case studies KW - complex concepts KW - correlation and friends KW - exploring data KW - getting complicated KW - opinions and facts KW - survey research ER -