TY  - BOOK
AU  - Villegas, Bernardo M.
TI  - Managerial economics : : text and case studies
SN  - 971-554-076-7
U1  - Fil. 658 V714m 1999 3rd edition
PY  - 1999///
PB  - Sinag-tala publishers, inc., manila, 
N1  - includes index
ER  -