Ngugi,N.D. <br/><br/>
East African Agriculture:A Textbook for Secondary School 

 - London  Macmillan Publishers   1978 
<br/><br/><label>ISBN: </label>0 333 34154 6 
<br/><br/><label>LC Class. No.: </label>630.96/NGU  / 1 
<br/><br/><label>Dewey Class. No.: </label>630.96/NGU  / 1