00526nam a22002177a 4500 6349 MX-SIABUC 20260702203552.0 MX-SIABUC 050611s1989 US X j eng d 0-393-95712-8 Y010 M35p 1989 Mansfield, Edwin Principles of microeconomics/ por Edwin Mansfield 6 New Yor : W.W. Nortn & Co. 392 p. 1.ECONOMÍA 19990219 00:00:00 1 6349 6349 0 0 000000 0 0 1 1 1 2004-03-08 0 Y010 M35p 1989 10904 2026-07-02 20:35:52 1 2026-07-02 1 0 0 000000 0 0 1 1 1 2004-03-08 0 Y010 M35p 1989 10904-1 2026-07-02 20:35:52 1 2026-07-02 1