Statistics made simple for researchers / 
Abubakar, Asaad S.  
 - 1st ed. 
 - Manila :  Rex Book Store,  2008. 
 - ix,233p.;22cm. 
<br/><br/>Includes References, glossary, appendix, index 
<br/><br/><label>ISBN: </label>9789712349942 
<br/><br/><label>Dewey Class. No.: </label>Fil 310 Ab165 2008