Prahaladachar, M Venkataramanan, L S <br/><br/>
Study of changes in cropping pattern in Punjab,Uttar Pradesh,Bihar and Maharashtra in the period 1950 to 1970 

 - Bangalore  ISEC  1978 
 - 161p. 
<br/><br/> IRR.53 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture<br/>Cropping patern - Punjab, Rajasthan