General statistics Text/Workbook 
Sta. Maria, Antonina C. 
 -  National Book Store, Inc.  1988 
 - 165 pages. 
<br/><br/>
<br/><br/><label>ISBN: </label>9-71084222-6 
<br/><br/><label>Dewey Class. No.: </label>GS 519.5 G28 1988