TY  - BOOK
AU  - Villegas, Bernardo M.
TI  - Managerial economics : : text and case studies 
SN  - 9715540767
U1  - Fil. 331 .714 V714 3rd ed.
PY  - 1993///
CY  - Manila
PB  - Sinag-tala Publishers, Inc., 
KW  - Economics
KW  - Economic conditions
ER  -