Butola, Balbir Singh. <br/><br/>
Spatial interaction and underdevelopment in Uttar Pradesh himalayas :  a geographical analysis of contemporary processes / 
Balbir Singh Butola 
 - New Delhi :  Jawaharlal Nehru University,  1989. 
<br/><br/>Ph.D. - CSRD, SSS, JNU, 1989. 
<br/><br/><label>ISBN: </label>THISBN6156 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic geography
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Theses
<br/><br/><label>Dewey Class. No.: </label>330.9542  / B979 Sp