Singh, R.L.  . <br/><br/>
Elements of practical geography /  
by R.L. Singh and Rana P.B. Singh. 
 - Ludhiana :   Kalyani Publishers ,   1991 
 - 407p ;  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography
<br/><br/><label>Dewey Class. No.: </label>U  / N1