Ybanez, Lydia Monzon. <br/><br/>
A supplement to basic statistics. 

 - Quezon City, Philippines :  Phoenix Publishing House, Inc.,  1997. 
 - 152 p. :  ills. ;  28 cm. 
<br/><br/> Includes maps. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics.
<br/><br/><label>LC Class. No.: </label>Fil QA 276.A2-Z  / Y32 1997