TY  - BOOK
AU  - William A.Mehrens
AU  - Robert L.Ebel
TI  - Principles of Educational and Psychological Measurement: A Book of Selected Readings,
U1  - 371.26/08 
PY  - 1967///
CY  - USA
PB  - Rand McNally & Company
KW  - English
KW  - Educational tests and measurements
KW  - General
ER  -