Sample survey methods and theory
Hansen, M.H.
Sample survey methods and theory by M.H. Hansen, et. al. - New York 1953 - 332 p.
Vol. II : Theory
Sample Survey
519 / H 249 S
Sample survey methods and theory by M.H. Hansen, et. al. - New York 1953 - 332 p.
Vol. II : Theory
Sample Survey
519 / H 249 S