Ayyar T V Ramakrishna <br/><br/>
Entomologist's crop pest calendar for the Madras presidency 

 - Calcutta  Superintendent Government Printing India       1922 
 - 55p.  cm. 
 - Agricultural  Research  Institute ,Pusa .
<br/><br/><label>Standard No.: </label>27125 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>AGRICULTURE
<br/><br/><label>Dewey Class. No.: </label>J:43.2, F2