TY  - RPRT
TI  - Asking multiple questions about several items: the design of matrix structures on application forms.
AU  - P Wright
AU  - P Barnard
PY  - 1978
DO  - 10.1016/0003-6870(78)90213-2
UR  - https://pubmed.ncbi.nlm.nih.gov/15677249/
ID  - 15677249
ER  -