KHANNA, D.D. <br/><br/>
SUSTAINABLE DEVELOPMENT  

 -  ALLAHABAD, S.P.S.D.S.    1997 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agronomy
<br/><br/><label>Dewey Class. No.: </label>338.927  / KHA/S