Carvajal, Nelson I. <br/><br/>
The effect of the use of  calculators on the attitudes and  academic achievement of pupils in Mathematics /  
Nelson I. Carvajal. 
 - Paranaque City;  Olivarez College,  c2003. 
 - xv, 69 . :  black and white illustrations,  2 8cm. 
<br/><br/> Includes reference, appendiox and curriculum vitae. 
<br/><br/><label>Dewey Class. No.: </label>OCP MAED 0050 2003