Waihiga , Gichohi et al . <br/><br/>
Kurunzi ya Insha kidato cha 3 and 4 . 
Gichohi Waihiga and F .M .Kagwa . 
 - 2nd edition.  
 - Nairobi :  Sportlight Publishers ,  2010 . 
 - viii , 276 p . ;  illustrations.   18 cm . 
<br/><br/><label>Dewey Class. No.: </label>496