Secondary Mathematics  students' Book three ;'  5th edition.  
Kenya Literature  Bureau  . 
 - 5th edition.  
 - Nairobi  :  Kenya Literature Bureau ;  1989 
 - xii , 304 p .;  col. illustrations.   17 cm . 
<br/><br/><label>ISBN: </label>978-9966-65-164-8 
<br/><br/><label>Subjects--Corporate Names: </label><br/>Kenya Literature Bureau  : Publication.  
<br/><br/><label>Dewey Class. No.: </label>510  / C1