TY  - RPRT
TI  - Objects of objective tests: a theoretical and experimental analysis.
AU  - H A Dudley
PY  - 1969
DO  - 10.1111/j.1365-2923.1969.tb01961.x
UR  - https://pubmed.ncbi.nlm.nih.gov/5796771/
ID  - 5796771
ER  -