TY  - BOOK
T1  - Handbook of educational supervision a guide for the practitioner
A1  - Marks, James R.
LA  - English
PP  - Boston
PB  - Allyn and Bacon
YR  - 1971
UL  - https://ds.mainlib.upd.edu.ph/Record/UP-99796217601741203
OP  - 950
CN  - LB 2805 M27
KW  - School supervision.
ER  -