S. Supramanium

Personality correlates of study difficulty and academic performance in university students. I. The Middlesex Hospital Questionnaire and Dynamic Personality Inventory.

C. J. Lucas, S. Crown, P. Stringer, 1977, The British journal of medical psychology.

Personality correlates of study difficulty and academic performance in university students. II. Conscience and self-esteem.

C. J. Lucas, S. Crown, P. Stringer, 1977, The British journal of medical psychology.