L. Toft <br/><br/>
Practical Mathematics 
by L. Toft, A. D. D. Mckay 
 - London  Sir Isaac Pitman & sons  1950 
 - 611 
<br/><br/><label>Subjects--Topical Terms: </label><br/>BE Mathematics
<br/><br/><label>Dewey Class. No.: </label>105.23