Surveys, polls, and samples
Parten, Moldred
Surveys, polls, and samples Practical procedures by Mildred Parten - New York 1950 - 624 p.
Statistics
Surveys
Polls
Samples
519 / P 273 S
Surveys, polls, and samples Practical procedures by Mildred Parten - New York 1950 - 624 p.
Statistics
Surveys
Polls
Samples
519 / P 273 S