Singh, J. P. <br/><br/>
Prospects of changing croppings pattern in favour of oilseeds and pulses in Punjab and Haryana   

 - Delhi  Agro Economic Research Centre  1989 
 - vii, 219p. 
 - Agricultural Economics Research Centre, research study   89/1 .
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<br/><br/><label>Dewey Class. No.: </label>338.16330954552  /