Hau, S.A. <br/><br/>
Secondary mathematics:  book 4. 
S.A. Hau, B. Chisala. 
 - Blantyre:  Longman (Malawi) (pty) Ltd,  1991. 
 - iv, 242p.: 
<br/><br/> includes index. 
<br/><br/><label>ISBN: </label>9990817057 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics - Secondary.
<br/><br/><label>Dewey Class. No.: </label>510