NGAILO, L.N. <br/><br/>
QUANTITATIVE METHODS:  AN INTRODUCTION 

 - 2nd Ed. 
 - MOSHI-TANZANIA;  RENNIC'S BOOKSHOP  2009. 
<br/><br/><label>ISBN: </label>9789987913817 
<br/><br/><label>Dewey Class. No.: </label>519.5 NGA