Gayen, A.K. <br/><br/>
Measurement of achievement in Physics and Chemistry 

 - New Delhi  NCERT  1967 
 - xviii,154+xxviip 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational Tests and Examinations
<br/><br/><label>Dewey Class. No.: </label>371.26 GAY