TY  - BOOK
AU  - Cooper,James Michael
TI  - Differentiated staffing
T2  - Controversies in education
SN  - 0721626920
AV  - LB1029.D55 C6
U1  - 371.1/4 
PY  - 1972///
CY  - Philadelphia
PB  - Saunders
KW  - Differentiated teaching staffs
KW  - Local
N1  - 920616; Includes bibliographical references
ER  -