Baruah, Utpal. <br/><br/>
Spread of area under high yielding varieties in Punjab and Haryana :  a study in spatial variations and the factors behind it. 
Utpal Baruah 
 - New Delhi :  Jawaharlal Nehru University,  1976. 
 - i,172p. : 
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<br/><br/><label>ISBN: </label>ISBNTh00444 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture and State
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Theses