Research in Teaching of Science and Mathematics : A hand book for teachers 

 - New Delhi :  Ashish pub,  1993. 
 - v,309p.;  24cm 
<br/><br/><label>ISBN: </label>81-7024-557-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research<br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>507.2  / RES