Sampling techniques /
Cochran, William G.
Sampling techniques / By William G Cochran. - 1st Ed. - New York : Wiley, ©, 2013. - 428p. ; 00 cm.
GENERAL.
Sampling techniques / By William G Cochran. - 1st Ed. - New York : Wiley, ©, 2013. - 428p. ; 00 cm.
GENERAL.