Byrns, Ralph T. <br/><br/>
Test bank :  Economics / 
Ralph T Byrns, Gerald W. Stone 
 - 3rd ed. 
 - Glenview :  Scott, Foresman,  1987 
 - 439 p. :  28 cm. 
<br/><br/><label>ISBN: </label>0673172473 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics --Study and teaching.