TY  - BOOK
AU  - Bertrand, Arthur,
AU  - Cebula, Joseph P.,
ED  - 
ED  - 
ED  - 
ED  - 
TI  - : a developmental approach 
SN  - 0201007789 (hardback)
SN  - 2
PY  - 1980///];copyright 198046
CY  - Reading, MA
PB  - Addison-Wesley Publishing
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Educational tests and measurements.;Developmental psychology
N1  - Includes index; 5
ER  -