TY  - BOOK
AU  - Villegas, Bernardo M.,
TI  - Managerial economics: text and case studies 
SN  - 9715540767
U1  - 658.15 
PY  - 1999///
CY  - Manila
PB  - Sinag-Tala Publishers.
KW  - Managerial economics
N1  - Includes Index
ER  -