TY  - BOOK
AU  - Wiles,Kimball
AU  - Lovell,John Thomas
TI  - Supervision for better schools
SN  - 0138761027
AV  - LB2805.W5 1975 
U1  - 371.2/013 
PY  - 1974///, c1975]
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - School supervision
N1  - Bibliography: p. 307-323
ER  -