athew, C.Cyril <br/><br/>
Science and technology for development 

 - [Sri Lanka]  [s.n.]  0 
 - Various paging. 
<br/><br/><label>ISBN: </label>73447 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social Development-Science and Technology
<br/><br/><label>Dewey Class. No.: </label>303.483  / MAT