Mathews, J. C., <br/><br/>
Problems in modern chemistry  / 
J. C. Mathews. 
 - London :  Hutchinson Educational ,  1971. 
 - 52 p. :  ill. ;  27 cm. 
<br/><br/><label>ISBN: </label>0091092507 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry--Problems, exercises, etc.