Understanding chemistry:  a one-volume programmed supplement/ 
Gordon M. Borrow ... et al. 
 - New York:  W. A. Benjamin,  1969. 
 - ix, 626 p. :  ill. ;  21 cm. 
<br/><br/><label>ISBN: </label>2080534878 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry--Programmed instruction.