Handbook of research activities 1988-89   Annual convocation 1989.    

 - Delhi  University of Delhi India         1989 
 - vii, 331p.  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>T4,d.281.N89g, M9/GD