Sampling techniques
"Cochran, William G."
Sampling techniques - U.S.A. John Wiley And Sons 1977 - 428
eng
9971-51-271-8
519.5 / COC-S
Sampling techniques - U.S.A. John Wiley And Sons 1977 - 428
eng
9971-51-271-8
519.5 / COC-S