TY  - GEN
AU  - Hicks,Hanne John
TI  - Educational supervision in principle and practice
T2  - Douglass series in education
AV  - LB2805 
PY  - 1960///
CY  - New York
PB  - Ronald Press Co.
KW  - School supervision
N1  - Includes bibliographical references and index
ER  -