Nair, P S D <br/><br/>
Karshika Vijnana Vyapanam 

 - Kottayam  Mcgraw Hill Book Company  1972 
<br/><br/><label>Subjects--Uniform Titles: </label>--General Stack
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology--Techniques, equipment & materialsAgriculture--Generalia
<br/><br/><label>Dewey Class. No.: </label>630.715  / NAI-K