TY  - BOOK
AU  - Mort,Paul R.
AU  - Ross,Donald Howat
TI  - Principles of school administration: a synthesis of basic concepts 
T2  - McGraw-Hill series in education
AV  - LB2805 .M736 1957
U1  - 371.2 
PY  - 1957///
CY  - New York
PB  - McGraw-Hill
KW  - School management and organization
ER  -