Das, R.C. . <br/><br/>
Science Teaching in School /  Textual Documents 
R.C.Das. 
 - 2nd ed. / 
 - New Delhi :  Sterling publishers ,  1985. 
 - 264p. ;  22cm. 
<br/><br/>Index 
<br/><br/><label>ISBN: </label> PB 
<br/><br/><label>Subjects--Index Terms: </label>Education Teaching-School G-Education 
<br/><br/><label>Dewey Class. No.: </label>371.1  / Da 26 Sc