TY  - RPRT
TI  - Introversion-extraversion and volunteering for testing.
AU  - R W Amsay
PY  - 1970
DO  - 10.1111/j.2044-8260.1970.tb00647.x
UR  - https://pubmed.ncbi.nlm.nih.gov/5488968/
ID  - 5488968
ER  -