TY  - BOOK
AU  - Pidgeon,Douglas A.
AU  - Yates,Alfred
TI  - An introduction to educational measurement
T2  - The Students library of education
SN  - 0710062478
AV  - LB3051 .P57
U1  - 371.26 
PY  - 1968/// [i.e. 1969]
CY  - London, New York
PB  - Routledge & K. Paul, Humanities P.
KW  - Educational tests and measurements
N1  - Bibliography: p. 115-[117]
ER  -