Mastering Map Work (KCSE) ; 
Winfred, Williams.  
 - 3rd edition.  
 - Nairobi.   Longhorn Publishers   2006 
 - vi , 127 p . ;  col.illustrations  18 cm . 
<br/><br/><label>ISBN: </label>9966494510 
<br/><br/><label>Dewey Class. No.: </label>912