TY  - BOOK
AU  - Barrios,Erniel B.
TI  - Sampling designs: a course syllabus in Statistics 250
PY  - 2002///
CY  - Quezon City, Phils.
PB  - Ellen Francisco-Fajardo Foundation, Inc.
KW  - Sampling (Statisitics)
KW  - Estimation theory
ER  -