Unesco Dooth,  <br/><br/>
Jun-79 

 - Thiruvananthapuram  Govt Of India Central Hindi Direct  1900 
<br/><br/><label>Subjects--Uniform Titles: </label>--GENERAL STACK
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural sciences & mathematics--Generalia
<br/><br/><label>Dewey Class. No.: </label>500.05  / UNE-J