Nicholson, R. J., & Galambos, P. (1960). Performance in G.C.E. (Advanced level) examinations and university examinations. Univ. of Hull.

Nicholson, Robert John, and Paul Galambos. Performance in G.C.E. (Advanced Level) Examinations and University Examinations. Hull: Univ. of Hull, 1960.

Nicholson, Robert John, and Paul Galambos. Performance in G.C.E. (Advanced Level) Examinations and University Examinations. Univ. of Hull, 1960.