SURVEYS, POLLS, AND SAMPLES: PRACTICAL PROCEDURES
MILDRED PARTEN
SURVEYS, POLLS, AND SAMPLES: PRACTICAL PROCEDURES - 1950 - NEW YORK HARPER & BROTHERS, 1950 - 624 Print
MODERN BOOK HOUSE
SURVEYS, POLLS, AND SAMPLES: PRACTICAL PROCEDURES
GN 309 P 258 S
SURVEYS, POLLS, AND SAMPLES: PRACTICAL PROCEDURES - 1950 - NEW YORK HARPER & BROTHERS, 1950 - 624 Print
MODERN BOOK HOUSE
SURVEYS, POLLS, AND SAMPLES: PRACTICAL PROCEDURES
GN 309 P 258 S