Nyaga, Michael K. et al. <br/><br/>
Inventor Secondary :  Business Studies form Four Students' Book / 
Michael K. Nyaga, Michael K. Mungiria. 
 - 3rd ed.  2022 
 - Nairobi :  Kenya Literature Bureau,  2005. 
 - 218 p, ; 
<br/><br/><label>Dewey Class. No.: </label>373.380