Ballard, K.E. <br/><br/>
Study guide for COP :  Introduction to logic / 
K.E. Ballaed. 
 - 5th ed 
 - New york  MacMillan  1978 
 - vii, 284p. : ill. ;  hbk 
<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