TY  - BOOK
AU  - Caldito, G C
AU  - Ferrer, P L
AU  - Guzman, G G De
AU  - Parel, C P
TI  - Sampling design and procedures
CY  - New York
KW  - Cluster sampling
KW  - Multistage sampling
KW  - Random sampling
KW  - Research methodology
KW  - Sampling techniques
ER  -