Das, Bishnu Charan. <br/><br/>
Educational Technology /  Textual Documents 
Bishnu Charan Das. 
 - 1st ed. / 
 - New Delhi :  Kalyani Publisher ,  1996. 
 - 162p. ;  22cm. 
<br/><br/>Bib. 
<br/><br/><label>ISBN: </label>81-7096-986-7 
<br/><br/><label>Subjects--Index Terms: </label>Education-Technology Educational Technology PG-Education G-Education 
<br/><br/><label>Dewey Class. No.: </label>370.32  / Da 26 Ed