TY - BOOK AU - TROCHIM WILLIAM M K TI - RESEARCH METHODS U1 - 001.42 TRO PY - 2008/// CY - NEW DELHI PB - BIZTANTRA PUB KW - MARKETING RESEARCH (N-1) N2 - THE BOOK DEALS WITH ISSUES OF SAMPLING,MEASUREMENT,DESIGN AND ANALYSIS AS WELL AS THE THEORIES OF VALIDITY BEHING THEM ER -