Ballard,K.E <br/><br/>
Study guide copi  Introduction to logic 
K.E Ballard 
 - 5th 
 - New York  Macmillan  1978 
 - vii,284  Pbk 
<br/><br/><label>ISBN: </label>0023055200 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic
<br/><br/><label>LC Class. No.: </label>BC71.B2 1978