TY  - BOOK
AU  - Villegas, Bernardo M. 
TI  - Managerial economics
SN  - 9711170663 Pbk., Np.
AV  - HF 5353 V54 1993 F 
PY  - 1993///
CY  - Manila
PB  - Sinag-Tala Publishers, Inc., 
KW  - Managerial economics
N1  - Includes index.
ER  -