BACKHOUSE, John K. <br/><br/>
Comparability of grading standards in science subjects at GCE A level 
/[by] John K.Backhouse 
 - London  Evans  1978 
 - 71 p. 
<br/><br/> Includes appendix. 
<br/><br/><label>ISBN: </label>423505408 
<br/><br/><label>Dewey Class. No.: </label>371.26  / BAC