TY  - BOOK
AU  - Leveriza, Jose P.
TI  - Supervisory leadership
SN  - 971-08-4611-6
U1  - Fil. 658.3 L576s 1990 
PY  - 1990///
CY  - Philippine : 
PB  - National book store, 
N1  - Includes index and bibliography
ER  -