TY  - RPRT
TI  - Some quantitative considerations in questionnaire design and analysis.
AU  - F R Brigham
PY  - 1975
DO  - 10.1016/0003-6870(75)90301-4
UR  - https://pubmed.ncbi.nlm.nih.gov/15677173/
ID  - 15677173
ER  -