SILON, ELSA T., ET AL <br/><br/>
Manual for economics with work exercises / 
ET AL. SILON, ELSA T. 
 - viii, 117 p.; ill.; 25 cm 
<br/><br/><label>ISBN: </label>9789712353208 9789789712359 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1. Economics -- Study and teaching 2. Economic theory