TY  - BOOK
T1  - Elements of supervision
A1  - Spriegel, William Robert 1893-
LA  - English
PP  - New York
PB  - Wiley
YR  - 1957
UL  - https://tuklas.up.edu.ph/Record/UP-1685523046125309849
OP  - 349
CN  - T58 S68 1957
KW  - Personnel management.
ER  -