TY  - BOOK
AU  - Schonell,Fred J.
AU  - Schonnell ,F.Eleanor
TI  - Diagnostic and attainment testing: incliuding a manual of tests, their nature, use, recording and interpretation 
AV  - LB3051 SCH 
PY  - 1960///
PB  - Oliver and Boyd
KW  - Educational tests and measurements
ER  -