TY  - BOOK
AU  - Gregorio,Herman C.
TI  - School administration and supervision
AV  - LB 2955  .G861 1961 
PY  - 1961///
CY  - Quezon City
PB  - R.P. Garcia Publishing 
KW  - School management and organization - - Philippines
N1  - Includes bibliography and bibliographical footnotes
ER  -