TY  - BOOK
AU  - Silon, Elsa T.
AU  - Bernardo, Ramon A.,
AU  - Quilloy, Melani C.,
TI  - Manual for economics with work exercises
PY  - 2009/// [reprented June 2011]
KW  - Economics
KW  - sears
KW  - Study and teaching
KW  - Problems, exercises, etc
N1  - Includes bibliographical references
ER  -