Houk, Clifford C. <br/><br/>
Chemistry :  concepts & problems : a self teaching guide / 
Clifford C. Houk and Richard Post 
 - 2nd ed. 
 - New York :  John Wiley & Sons, Inc,  c1996 
 - xiii, 303 p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>0471121207 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry--Study and teaching<br/>Chemistry--Programmed instruction