TY  - CHAP
A1  - U.S.Census Bureau
T1  - American Community Survey and Puerto Rico Community Survey design and methodology (version 3.0): Chapter 4: Sample design and selection
Y1  - 2022
UR  - https://www2.census.gov/programs-surveys/acs/methodology/design_and_methodology/2022/acs_design_methodology_ch04_2022.pdf
CY  - Washington, D.C
PB  - U.S. Department of Commerce

ER  -