Valencia, Efren L. <br/><br/>
Mathematics and science regional achievement test validation :   anchor age for further development prospects of tests pp. 36-41 
Efren L. Valencia 
<br/><br/> QuesT: Research Journal Vol. III A.Y. 2001-2002 
<br/><br/><label>ISSN: </label>0117-3685 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>ACHIEVEMENT TEST --SCIENCE, MATHEMATICS
<br/><br/><label>LC Class. No.: </label>JF LB 1028 Q8 2002