Maina, Mwituria <br/><br/>
Qualitative & Quantitative Research methods simplified/ 
Maina Mwituria Samuel 
 - Nairobi:  Nairobi University press  2012. 
<br/><br/><label>ISBN: </label>996671888 
<br/><br/><label>LC Class. No.: </label>H62.M35 2012.