TY  - RPRT
TI  - Marking systems for multiple choice examinations.
AU  - L G Whitby
PY  - 1977
DO  - 10.1111/j.1365-2923.1977.tb00596.x
UR  - https://pubmed.ncbi.nlm.nih.gov/865344/
ID  - 865344
ER  -